Adding boolean attribute "transparent" for files with transparency. 

http://stackoverflow.com/questions/18444939/define-transparent-material-in-json-model-format-3-1
Merge with https://github.com/zfedoran/convert-to-threejs-json/ Apr 28, 2013 version
Allow a number of influences per vertex other than 2
Updated builds.
coverter_to_threejs.py: copy textures of import files to output folder, and fix dae model's get uv index bug.
Editor: Select parent when deleting object.
Implemented @WestLangley for normalMap + envMap case. Fixes #4517.
Updated builds.
Update ShaderChunk.js
Allow morphTargets to be undefined in DepthPassPlugin
Updated builds.
Fixed handling of child cameras/lights; must have dropped somewhere along the line
Fixed glTFLoader breakage cause by recent matrixWorldNeedsUpdate default change.
/cc @tparisi
Merge branch 'master' of https://github.com/rennat/three.js into dev
Simplified object.geometry.morphTargets check.
Updated builds.
Set Camera.up as the orbit axis in OrbitControls
Updated builds.
Examples: Added render() call to misc_controls_trackball as it now updates before the eventlistener can catch it.
Account for 4 influnces per vertex in vertex shader