* Renamed UX screen files and classes to include screen in the name
* Changed screens to emit a screen change request a controller can connect to
* Made ScreensCtrl that owns and manages screens and their changing and history
* Made Project Settings Control managing back and next buttons
* Add Project Setting Model and moved New Project Settings Ui into Screen file
* Goto previous screen always works
* Removed unnecessary QObject namespace from connect calls
* Merged ProjectSettingsModel into ProjectInfo
AMZN-nggieber
Alex Peterson