GUI: moved MainDisplay into separate widget class
GUI: moved CLI code into separate widget class
GUI: removed GUIFunctionality and moved UpcomingTasks into separate
widget
GUI: implemented GridBagLayout into MainDisplayWidget
GUI: implemented GrigBagLayout into UpcomingTasksWidget
GUI: implemented GridBagLayout into CLIWidget
GUIBehaviorTest: added String filename constructor to GUI so can test on
separate file from tasks.txt
GUI: refactored so everything uses the GridBagLayout and allows for
auto-resizing and easier GUI changes
GUI: changed to using two ints for PANEL width and height
GUI: created dropbox selection for upcoming tasks time frames
Merge remote-tracking branch 'origin/GUIChanges'