add copyright notice back in

```bash
for file in `cat diffys`; do
   printf '%s\n%s\n' "// Copyright 2021 Molecula Corp. All rights reserved." "$(cat $file)" >$file;
done
```

api.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 //go:generate stringer -type=apiMethod
 
 package pilosa

api/client/grpc.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package client
 
 import (

api_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa_test
 
 import (

audit.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

audit_internal_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

audit_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa_test
 
 import (

auth/auth.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package auth
 
 type Auth struct {

boltdb/translate.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package boltdb
 
 import (

boltdb/translate_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package boltdb_test
 
 import (

broadcast.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

bsi.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

bsi_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

cache.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

cache_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa_test
 
 import (

catcher.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

client.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

client/batch.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package client
 
 import (

client/batch_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 //go:build integration
 // +build integration
 

client/client.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 package client

client/client_it_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package client
 
 import (

client/client_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/cluster.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/cluster_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/csv/csv.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package csv
 
 import (

client/csv/csv_it_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 //go:build integration
 // +build integration
 

client/csv/csv_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package csv_test
 
 import (

client/doc.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/egpool/egpool.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package egpool
 
 import (

client/egpool/egpool_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package egpool_test
 
 import (

client/error.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package client
 
 import "github.com/pkg/errors"

client/logimport.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package client
 
 import (

client/logimport_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package client
 
 import (

client/metrics.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package client
 
 const (

client/orm.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/orm_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/record.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/record_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/response.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/response_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/shardnodes.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/tracer.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/validate.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/validate_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

client/version.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 

cluster.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

cluster_internal_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

cmd.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package pilosa
 
 import (

cmd/backup.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/badloader/badloader.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package main
 
 import (

cmd/check.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/check_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd_test
 
 import (

cmd/chksum.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/config.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/convert.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/doc.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 /*
 Package cmd contains all the pilosa subcommand definitions (1 per file).
 

cmd/export.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/export_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd_test
 
 import (

cmd/featurebase-parse-sql/main.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package main
 
 import (

cmd/featurebase/main.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 /*
 This is the entrypoint for the Pilosa binary.
 */

cmd/generate_config.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/import.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/import_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd_test
 
 import (

cmd/inspect_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd_test
 
 import (

cmd/pilosa-bench/main.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package main
 
 import (

cmd/random-query/main.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package main
 
 import (

cmd/random-query/main_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package main
 
 import (

cmd/rbf.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/restore.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/roaring-migrate/ctim_darwin.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 //go:build darwin
 // +build darwin
 

cmd/roaring-migrate/ctim_linux.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 //go:build linux
 // +build linux
 

cmd/roaring-migrate/main.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package main
 
 import (

cmd/root.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/root_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd_test
 
 import (

cmd/server.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd
 
 import (

cmd/server_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package cmd_test
 
 import (

cmd/slurp/slurp.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package main
 
 import (

const_amd64.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 //go:build amd64
 // +build amd64
 

const_other.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 //go:build !amd64
 // +build !amd64
 

ctl/backup.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/check.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/check_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/chksum.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/common.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/config.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/config_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/doc.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 // package ctl contains all pilosa subcommands other than 'server'. These are
 // generally administration, testing, and debugging tools.
 package ctl

ctl/export.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/export_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/generate_config.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/generate_config_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/import.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/import_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/inspect.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/inspect_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/main_test.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl_test
 
 import (

ctl/rbf_check.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/rbf_dump.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/rbf_page.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/rbf_pages.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (

ctl/restore.go

@@ -1,3 +1,4 @@
+// Copyright 2021 Molecula Corp. All rights reserved.
 package ctl
 
 import (