Do set ViewdeckController property in transition block itself.

Small update to the fix for #315.
Unobserve parentViewController when finishing transitionblocks.
Merge branch 'master' into develop
Default to panningCancelsTouchesInView = YES as per normal iOS behavior.

Most people should want this anyway.
Setting panningCancelsTouchesInView now actually updates existing panners.
Disabling user interactions during animations shouldn't freeze UI anymore.

Better fix for #226.
Fixes part of #324.
Fixes #319.
Fixed handling of modals.

Viewdeckcontroller now behaves more UIKit like (as in: it will show the modal over the viewDeckController of the calling controller, like navigationcontroller).

Fixes #323.
Removed a bunch of comments.
Fixed a memory leak in IIWrapController.

Closes #322.
Fixed crash in ViewDeckExample on ipad.

Fixes #288.
Merge branch 'develop'
Updated VERSION and Podspec.
Added curveInOut property, changes the opening / closing curve.