use the Build parameter as the Version in handler

Standardize on `Version` for the build version

cmd/pilosa/main.go

@@ -17,12 +17,12 @@ import (
 	"github.com/pilosa/pilosa"
 )
 
-// Build holds the build information passed in at compile time.
-var Build string
+// Version holds the version information passed in at compile time.
+var Version string
 
 func init() {
-	if Build == "" {
-		Build = "v0.0.0"
+	if Version == "" {
+		Version = "0.0.0"
 	}
 
 	rand.Seed(time.Now().UTC().UnixNano())
@@ -35,7 +35,8 @@ const (
 
 func main() {
 	m := NewMain()
-	fmt.Fprintf(m.Stderr, "Pilosa %s\n", Build)
+	m.Server.Handler.Version = Version
+	fmt.Fprintf(m.Stderr, "Pilosa %s\n", Version)
 
 	// Parse command line arguments.
 	if err := m.ParseFlags(os.Args[1:]); err != nil {

handler.go

@@ -45,7 +45,6 @@ type Handler struct {
 // NewHandler returns a new instance of Handler with a default logger.
 func NewHandler() *Handler {
 	return &Handler{
-		Version:   Version,
 		LogOutput: os.Stderr,
 	}
 }

pilosa.go

@@ -23,9 +23,6 @@ var (
 	ErrQueryRequired = errors.New("query required")
 )
 
-// Version represents the current running version of Pilosa.
-var Version string
-
 // Profile represents vertical column in a database.
 // A profile can have a set of attributes attached to it.
 type Profile struct {