update for 4.27

- made changes for 4.26.2

- checked everything on an empty project in windows 10, Python 3.6,

Merge branch 'master' of https://github.com/20tab/UnrealEnginePython

fixed build for 4.16

fixed non-editor build

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()