Merge pull request #33 from sadasilva/master

Expenses and income file, edited income, login, main, sign up.
Sat down and figured out an API for the database. Now fully integrated. Fixed issues with array storage and UID tracking. -MM
Finished raw table data structure including DB format. Finished helper object classes. -MM
fixed minor typos
Events table completely finished. -MM
Added the implementation for the subevent table.
Merge remote-tracking branch 'upstream/master'
Added two class diagrams
Merge remote-tracking branch 'upstream/master'
Merge pull request #35 from RichardHayesMassbay/master

Added two class diagrams
Updated classes in EventSystem folder.
Merge pull request #36 from KettyLezama/master

Updated event system classes.
changes to manager classes. should basically function but no database support yet.
Merge remote-tracking branch 'upstream/master'
fixed editDateTime method names
Merge pull request #37 from jkuk/master

Minor updates on manager classes
Added the simple GUI design for the Calendar, User Management, and Email panels.
Merge pull request #38 from RichardHayesMassbay/master

Added three GUI panel designs
Participant moved to BackEnd
committing