1. -Remove m_bIsSelect from BuildingBase, it is useless.
2. -Remove m_pSelectedBuilding from StarRaidersMap, but add m_pOwner, so we can get the select building from the scene.
1. -Auto size the PropertyGridEditor.
Merge branch 'master' of https://github.com/beyondlwm/BeyondEngine
1. -Add BuildingConfig and BuildingConfigElement.
Merge branch 'master' of https://github.com/beyondlwm/BeyondEngine

Conflicts:
	bin/EngineLaunch.eds