OBJLoader: change to the regular expressions for vertices, normals, and uv mappings to allow uppercase 'E' in scientific notation of numbers
Merge pull request #5347 from makemepulse/pvrloader

PVRloader - support v2 and v3 format
Merge pull request #5348 from makemepulse/bb_tex_warn

improve compressed texture availability check
Docs: MeshFaceMaterial does not extend Material.
Added support for min/max blend modes extension.
Fixed issue with DDS textures and the uncompressed RGB format.
Merge pull request #5349 from adashrod/dev

OBJLoader: made scientific notation regexes case-insensitive
Merge branch 'dev' of https://github.com/brett19/three.js into dev

Conflicts:
	src/renderers/WebGLRenderer.js
Code clean up.
Updated builds.
TransformControls: Added objectChangeEvent back. See 9171dc3ff640eba4bda2c0422dd43dee2777f773.
PLYLoader: Robustness. Fixes #5351.
PLYLoader: Minor tweaks.
Editor: Minor tweaks.
SpritePlugin: Reset GL state.
Fixed examples.
Moved CompressedTextureLoader to src.
Removed utils/build/includes/webgl.json.
Updated builds.
Updated closure compiler.