Add notes to a meeting implemented.
Main class comments added
Main class error corrections
exception handling for getting/displaying meetings
Begun the load/flush serialize methods
Changed data structures. Moved meetings a contact is attending out of
the ContactImpl. now in ContactManagerImpl
Added exceptions to ContactManagerImpl
Main program loop updates to handle new exceptions
Moved interfaces into a package. 
Java doc added
Implemented add note & updateMeeting.
General clean up
Packages defined.
Some simple tests.
basic meeting tests
Started writing ContactManagerImpl jUnit tests.
New Macbook github push test. File touch