Added Segues for view controllers

-added in the segues for the view controllers in storyboard
-added in a table view method didSelectRowAtIndexPath
-used enum types Prefix.pch file to send send to correct view
-changed colour of view controllers to be able to identify them when
switched
-added prepareForSegue method to menuViewController.m to set the
destination viewController as the front view Controller of the reveal
view controller