Update Loader.js

Changes 1 KB = 1000 B to 1024 KB = 1024 B
Adding boolean attribute "transparent" for files with transparency. 

http://stackoverflow.com/questions/18444939/define-transparent-material-in-json-model-format-3-1
updated transform controls
Merge branch 'dev' of https://github.com/arodic/three.js into dev
Make EffectComposer plugins use their own camera/scene/quad

This fixes # 2951.
Update Loader.js texture double slash fix

previous was :
var fullPath = texturePath + "/" + sourceFile;
but texturePath may already have a slash (see extractUrlBase function)

changed slash to texturePath.slice(-1) === '/' : '' : '/'
Typo fix for previous commit
Merge branch 'dev' of https://github.com/mrdoob/three.js into dev
Add inheritance information to AreaLight
Add start and end events to OrbitControls

This mirrors the changes in github PR gh-4097 for Trackball controls.
Update ImmediateRenderObject.html
Merge remote-tracking branch 'jasongrout/orbit-events' into dev
Merge remote-tracking branch 'Baccanno/patch-1' into dev
Loader: Trying to simplify the code.
Updated builds.
Removed irrelevant code.
Cleaned up avatar.dae
Removed loop parameter from Animation.play().
Animation system clean up. Fixes #4377.
Updated builds.