* [LYN-2520] Gem Catalog - Gem Inspector / Info Panel
* Extended the gem info with a directory and documentation link, binary size in bytes and added some helper functions.
* Added the gem inspector widget that hooks into the selection model.
* Info panel is vertically scrollable and based on the UX designs.
* Added a gem sub widget which holds several gem tags, a title and a description and is reused for the depending and conflicting gems.
* Extended the gem model with several new roles and data elements.
* Added more gem info test data before we got access to the real data.
* 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
Benjamin Jillich
Alex Peterson
AMZN-nggieber