Adding different environment mapping types including equirectangular mapping and sphere mapping
Removing three build file
Replacing indentation spaces with tabs
Merge branch 'dev' of https://github.com/mrdoob/three.js into environment_mapping

Conflicts:
	build/three.js
	build/three.min.js
Removing build files
Merge branch 'dev' of github.com:mrdoob/three.js into environment_mapping

Conflicts:
	build/three.js
	build/three.min.js
Removing jquery
Oops. Fixing bad image reference
Merge pull request #5622 from Verold/environment_mapping

Environment mapping