* 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
* [LYN-2515] Project Manager Gem List Base
* Added gem model based on a standard item model
* Added list view using the gem model
* Added item delegate for a gem according to the UX design
* Removed th gem catalog ui file and replaced it with code
* Moved the gem catalog files into a sub folder
* Added drawing the Added/Get button and the platform icons
* [LYN-2515] Project Manager Gem List Base
* Added gem model based on a standard item model
* Added list view using the gem model
* Added item delegate for a gem according to the UX design
* Removed th gem catalog ui file and replaced it with code
* Moved the gem catalog files into a sub folder