Dates with custom color

Added support to set custom colors to other dates.
FIX: Wrong days in month

Fixing the bug that caused the days from the previous and next mont to
display.
Fix permissions back to 644
Remove otherDate attribute in Cell
Remove otherDates array and only ask delegate
Avoid useless call to delegate in prepareForReuse
Merge pull request #8 from jivesoftware/develop

Ask the delegate for Dates with Custom Colors
Bump to 0.5 and update podspec
Fix: Crash when setSelectedDate to nil - Also fix #9
Merge pull request #10 from jivesoftware/unselect

Fix: Crash when setSelectedDate to nil - Also fix #9
Added init method for storyboards.
Moved the default edgedForExtendedLayout to awakeFromNib to allow the user of the controller to override this behavior in places like prepareForSegue:
Removed awakeFromNib
Merge pull request #11 from lancep/master

Storyboard init and remove edgesForExtendedLayout call.
Include view controller in delegate call
Do not call delegate when selected date is changed programmatically, only when done through user interface.
Remove logging from controller (+1 squashed commit)
Squashed commits:
[1ec74e8] Included disabled color for text in Readme.md
Allow firstDate and lastDate to be in the month and disable dates outside that range.
Proper calendar handling & example in demo
Included disabled color for text in Readme.md

Remove logging from controller