updated hockeyapp version to 3.6.1

The current version of hockey app is 3.5.4 which was released on February 2014.

The current version of the hockey app sdk is 3.6.1. https://github.com/bitstadium/HockeySDK-iOS/releases

Builds okay, I updated the references to files in the bundle for files which were removed and files which were added.