Appling clamp from panHandle to all views.
Implementing tap zoom.
Conflicts:
	AccessLecture.xcodeproj/project.xcworkspace/xcshareddata/AccessLecture.xccheckout
Minor clean up, removing PrimWrapper.
Limiting scale factor. Minor clean up.
Clamping zoom.
Updated build arch
Merge branch 'Integration'
Replace lastObject with objectAtIndex see desc

Travis-ci builds are failing because it's using an older SDK, testing to see if this fixes it.