- Slot-related models were updated and covered with unit tests
- Event was updated to contain a list of speeches
- Equals method for Speaker and Stage models were updated to check fields for null
- Tests were updated to use "findRowCount()" instead of "find.all().size()"
- Build was updated to fail when either sources or tests compilation fails
- Removed Application and Integration tests which were created by default play project generation
- Commented slot tests were removed
Merge branch 'slot_model'

Conflicts:
	app/models/event/Speech.java

- Fixed issues with speaker and speech tests which occured because initial data contained id's for entities