Mb 272: Release 4.0.0
Call completion handler in close window action
… arrives while the message list is visible on the nav UI.
Conflicts: Airship/Common/UAActionJSDelegate.m AirshipLib/AirshipLogicTests/UAActionJSDelegateTest.m
MB-274: Allow the landing page content url to be configurable
MB-77: Test iOS SDK with iOS7.1 Beta
MB-277: Removed old inbox resources. Bumped version to 3.2.0.
MB-247: iOS Update copyright date to 2014.
MB-273: Fix loading RAP in the overlay controller
MB-271: Allow multiple registration to happen in the background
…idating the background task