Fixed ambient lighting to match brdf and lighting intensity corrections
Deferred shading now supports legacy and core/new brdf simultaneously (transitional)
Octahedron encoding normals by default on core path
Tweaked water shaders to fit recent brdf changes
Fixed command buffer manager sometimes not working properly in edit-mode scene view
Fixed deferred extension sometimes not working properly in edit-mode scene view
Switched deferred extension to command buffer manager instead of ad-hoc