Allow multiple owner email addresses. Send emails to all addresses separated by commas.
Allow multiple owner email addresses. Send emails to all addresses separated by commas.
Merge remote-tracking branch 'origin/multi-owners' into mrdmnd

Conflicts:
	src/main/scala/com/airbnb/scheduler/jobs/JobScheduler.scala
Fixed compilation issue
Move log messages into loop.
Split on white space, trim all strings at once.
Only use regexp splitting
Merge pull request #97 from airbnb/multi-owners

Allow multiple owners to be contacted if job fails.