fixed non editor build
get rid of transient properties when not needed
various HUD improvements
Merge branch 'master' of https://github.com/20tab/UnrealEnginePython
added create_transient_texture()
added bind_on_request_progress to IHttpRequest
fixed a typo in preprocessor for the sequencer
fixed python editor on 4.12
fixed 4.13 support
fixed factory-create_new