Update Loader.js

Changes 1 KB = 1000 B to 1024 KB = 1024 B
Update CubeGeometry.js

warning the user
Merge branch 'patch-1' of https://github.com/srifqi/three.js into dev
Merge branch 'patch-2' of https://github.com/srifqi/three.js into dev
Finished CubeGeometry deprecated change.
Updated builds.