Changed the note1 code used in MPC tests because it was removed from
the list of valid codes in 8db97f813253a367e5de4c53d6000aa9885ced8a
and was therefore causing exceptions to be raised.
Merge pull request #169 from drusk/update_mpc_tests

Changed the note1 code used in MPC tests
Move eliding of MPC comment fields to the gui rather than having it in the MPC Notes global variable.