Merge remote-tracking branch 'vmorarian/refactoring' into topic/pull-26 #26.

Conflicts:
	app/actors/UpdateMetricsActor.scala
	app/controllers/Api.scala
	app/controllers/Application.scala
	app/controllers/Regions.scala
	app/models/LogFile.scala
	app/models/Region.scala
use Play's EHCache for caching regions #26