Adding boolean attribute "transparent" for files with transparency. 

http://stackoverflow.com/questions/18444939/define-transparent-material-in-json-model-format-3-1
quickely add awdloader
fix AWDLoader
Delete THREE.Math.PI2

Nothing use this in this repo
Update EventDispatcher.js
Don't unbind createMaterial in Loader
Updated builds.
cleanup AWDLoader + added sample page with simple AWD scene
start support for texture loading
basic material support + external texture loading
Merge branch 'dev' of github.com:mrdoob/three.js into awdloader
Merge branch 'patch-15' of https://github.com/gero3/three.js into dev
EventDispatcher: Create array only if listenerArray is defined.
Updated builds.
Merge branch 'awdloader' of https://github.com/plepers/three.js into dev
Made THREE.Cache per Loader instead of global.
Updated builds.
WebGLRenderer: Clearer var name.
WebGLRenderer: Support material.wireframe in BufferGeometry.
Not the prettiest wireframe, but better than nothing I guess.
Updated builds.