* Porting a large swath of the code from SlateComponentWrapper into UMG.
* Creating a derived UBlueprint for AUserWidget. (The base class for a UMG widget).
[CL 2050095 by Nick Darnell in Main branch]
#ttp 331349 Editor: Source Control: Some issues with creating new source control provider
#change Fixed up conflation of enum with bool in if() blocks when calling Execute().
#fix Fixed QueueStatusUpdate not checking for NULL source control state.
reviewed by Andrew.Brown
[CL 2049714 by Thomas Sarkanen in Main branch]
- Added the ability to create a new anim blueprint from an existing one in the context menu of the content browser
[CL 2040289 by Michael Noland in Main branch]