change logic in version.go so that the trial related messages only appear on trial versions of molecula
convert Command methods in trial.go to functions and pass a loggerLogger variable instead since that was the only piece of Command being used
add a function named expireAfter which seperately runs similar functionality to what was previously in daily check with chnages directed at stopping users from changing their internal clock date
change variable names and placement to be more readable and organized
- view.openFragmentInTx was forcing a directory scan
for shards on every open fragment during Holder.Open().
Seen by pprof profile having excessive allocations
from dbshard.go listDirUnderDir().
