Adds Controller/Request Observer for a Plannning Poker Session

When attached to a button on the front end, this will be able to pull data from all fields and create a new session
from it. This new session will then be sent over the network and added to the database.
broken things
Fixes test 'testRecievedData'.
Fixes RetrieveFreePlanningPokerRequestObserverTest.
Renames observer test.
Merge branch 'dev-free-requirements-controllers' into dev-requirement-tests

Conflicts:
	PlanningPoker/src/edu/wpi/cs/wpisuitetcw/modules/planningpoker/controllers/RetrieveFreePlanningPokerRequirementsController.java
	PlanningPoker/src/edu/wpi/cs/wpisuitetcw/modules/planningpoker/controllers/RetrieveFreePlanningPokerRequirementsRequestObserver.java
	PlanningPoker/src/edu/wpi/cs/wpisuitetcw/modules/planningpoker/view/overviews/CreateSessionPanel.java
	PlanningPoker/test/edu/wpi/cs/wpisuitetcw/modules/planningpoker/controllers/RetrieveFreePlanningPokerRequirementsControllerTest.java
Adds button padding.
Fixes PlanningPokerRequirement bug caught in code review.
Merge pull request #24 from Team-Combat-Wombat/dev-requirement-tests

Provides additional tests. [psover, ianonavy]
Merge pull request #19 from Team-Combat-Wombat/dev-free-requirements-controllers

Adds support for pulling requirements from the database [psover, ianonavy]
Fixes build path issues.
Merge pull request #26 from Team-Combat-Wombat/dev-fix-build

Fixes build path issues.
Merge pull request #23 from Team-Combat-Wombat/dev-gui-button-padding

Padding buttons
Documentation cleanup <No code changed>
Merge branch 'dev' of https://github.com/Team-Combat-Wombat/wpi-suite-tcw into dev
Create controller and request observer for get open sessions function
Create controller and request observer for get closed sessions
Modify the comment header
Move the contructor after the declaration of ivars
Add isClosed and isOpen method to PlanningPokerSession