1. Abstraction AttachBuildingUI
2. fix tip window
Merge branch 'master' of https://github.com/beyondlwm/BeyondEngine
Merge branch 'master' of https://github.com/beyondlwm/BeyondEngine

Conflicts:
	GameProject/StarRaiders/StarRaiders.vcxproj.filters
	bin/EngineLaunch.eds