Fixes more critical Sonar errors.

In this case, we're adding the exception tracebacks to the logs.
Removes another printStackTrace.
Converts decks array to array list.
Organizes imports.
Fixes a majority of the Eclipse warnings.
Merge remote-tracking branch 'origin/dev' into dev-quality

Conflicts:
	PlanningPoker/src/edu/wpi/cs/wpisuitetcw/modules/planningpoker/controllers/session/AddSessionController.java
imports logger. Troy
Merge remote-tracking branch 'origin/dev' into dev-quality

Conflicts:
	PlanningPoker/src/edu/wpi/cs/wpisuitetcw/modules/planningpoker/controllers/req/AddRequirementController.java
Merge branch 'dev-quality' of github.com:Team-Combat-Wombat/wpi-suite-tcw into dev-quality
Merge pull request #78 from Team-Combat-Wombat/dev-quality

Improves our code quality by fixing some warnings.