You can clone with
HTTPS or Subversion.
A few UI changes are required. At least on iOS. See http://docs.appcelerator.com/titanium/2.0/index.html#!/guide/Transitioning_to_the_New_UI_Layout_System
We also have to test whether everything still looks ok.
(In ) refs #3113 be compatible with Titanium Mobile 2.0
(In ) refs #3113 more changes to be compatible with Ti Mobile 2.0 release