Fix failing tests
Added null output for testing
Addd barnyard2 filter
Input sink is an array
Use timestamp in rails logs rather than current time
Make sure we don't loose fields if timestamp is invalid or missing
Add tests for rails timestamp
Parse out timestamp from barnyard log
Rename class to Debug
Remove dup entry
Replace fragile tests with timecop
Use Timecop.freeze block syntax
Replace fragile tests with timecop
Merge branch 'null-output'
Merge branch 'rails-timestamp'
Merge branch 'barnyard-filter'