add radio button for team/personal commitment
Merge branch 'dev-team3' of https://github.com/Tommzy/wpi-suite into dev-team3

Conflicts:

Calendar/src/edu/wpi/cs/wpisuitetng/modules/calendar/model/Commitment.ja
va

Calendar/src/edu/wpi/cs/wpisuitetng/modules/calendar/view/AddCommitmentP
anel.java