Sqitch: add process schema and table
Sqitch: add index for process status
Sqitch: add index for process created_by
Sqitch: add indexes for process timestamps
Sqitch: add index for process subclass_name
Add Genome::Process

This is designed to be a very light-weight base class for keeping
meta-data about commands that run workflows.
Sqitch: add process status_event table
Sqitch: add index for status_event timestamp
Add Genome::Process::StatusEvent

Also have update_status set 'created_at', 'started_at', and 'ended_at'.
Restore sqitch.conf to original (inadvertent change)
Removed redundant process_process in index names
Reuse $pkg instead of spelling it out
Use gsc.wustl.edu as email
Documentation improvements.
Attempt to translate IDs to display names when printing configuration.
Save on repeat search queries by replacing all matches at once.
Allow shorter IDs (to match legacy processing profiles)
Tighten regexes now that we're doing global replace.
Warn if we couldn't find an object.
Add tag to sqitch.plan