Updated System Rig project to Xcode 5.
Modernised System Rig’s main function.
Updated Physics Rig project files to Xcode 5.
Modernised Physics Rig’s main function.  Renamed the app delegate to something more meaningful.
Updated Physics Rig’s project files for Xcode 5.
Updated Demo and Sample project place holders to Xcode 5

Modernised the main function and updated interface files where needed
too.