Added the ability to view a quarter(3 months) in one view
Usability improvements;
 - Allow a user to scroll 3 months at a time
 - When in quarter view include the month in the day cell (would be nicer to have a formate option then override in the View)
Add the list files
Merge pull request #1 from timReynolds/feature.quarterView

Added a quarter (3 months) view