Fixed issue : On iPad, when (right menu width < left menu width), user can span content view too far on the left.

Improved swipe detection : Swipe detection is now also based on movement speed.
Removed trailing NSLogs.
Fixed issue #69
Project accepts iPad with iOS >= 5.1
Fixed issue : right menu does not appear above the left menu anymore.
Fixed issue : right menu does not appear above the left menu anymore.
Fixed issue : #1
Feature request filled : #71
Merge pull request #70 from Chralu/master

Fixed issues #58, #69, #71

Thank you Charly for your great code.