Remove obsolete assert statement for testing cancel in a session.
Fixes tests relating to activation of planning poker session.
Implement fix where sessions could be activated without any requirements.
Prevents emails from being sent when activation is not possible.
Separate canBeActived.
Improve test coverage for session.
Refactor test for session.
Move session test to correct package name.
Add test for planning poker requirements.
Merge branch 'dev-fix-tests' into dev

Conflicts:
	PlanningPoker/src/edu/wpi/cs/wpisuitetcw/modules/planningpoker/models/PlanningPokerRequirement.java