Added trivial tests to CalendarTest.
Merge branch 'user_client_dev' of https://github.com/frenchie16/wpi-suite-team6.git into user_client_dev
Got rid of redundant tests.
Added tests for Commitments. Changed comments in the Commitments class
because they still referred to Iterations.
Merge branch 'user_client_dev' of https://github.com/frenchie16/wpi-suite-team6.git into user_client_dev