Add a type property to the module item to control it's appearance and presentation
Add support for multiple module types to the drawer
Change the default module type for the Settings and About modules
Drawer appearance tweaks

* Remove the image from the navigation bar
* Switched to a grouped table view
Enable iPhone support by default on all modules
Add a dummy pushNotificationSupported method to prevent crashes while Settings is updated
Import the MITModuleItem header by default instead of using a forward definition
Tweaks to the scrollsToTop management method
Add support for overlaying certain modules when using an iPad.
Treat the hiding/showing of an overlayed module as business-as-usual
Funnel any changes to the active module through a single method
Add Links to iPad Module Selection Screen

Closes #371
Merge pull request #390 from MIT-Mobile/3.6/barless-dashboard-links

Add Links to iPad Module Selection Screen. Fixed #371
Changing Credits to a UITableView with current (4.0) and past (3.0 and lower) tableviewcells.

Added current and past credit html files.

Changed AboutCreditsVC to a UITableViewController.
Created OlderCreditsTableViewCell to toggle older credits.
Get rid of animating bottom cell on first load
Removed/Added whitespace
Changed background color to white.

Removed tableview separator.

Added name to credits
Removed set width.  We are not displaying this full width on the iPad
Added #pragma mark
Renamed variable for clarity. (dict -> webViewHeightsDictionary)
Changed way webViewHeightsDictionary is initialized.
Set number of rows to be 2.