Method to delete a task in google calendar
Useful helper methods
GCal support
GCal support
GCal support
Added displayMessage method in UI and Output and their impl files
Abstract most google required code to constants
Add method to get auth url
Setup method for Google calendar
Constructor method for Google Calendar
Merge branch 'ui/sharon' into controller/sharon
Check if the calendar is created
Remove whitespace
Merge branch 'logic/sharon' into controller/sharon

Conflicts:
	src/sg/codengineers/ldo/controller/Controller.java
Methods to link up with google calendar
Additional methods required for google calendar implementation
Add method to interface
Fixed GCal methods
Merge branch 'logic/sharon' into controller/sharon
Merge remote-tracking branch 'origin/db/sean' into controller/sharon