Merge remote-tracking branch 'zfedoran/dev' into dev
Simplified Plane constructor.
Removed Rectangle.
Updated builds.
adopt @mrdoob's suggested Box2,Box3 constructor (update tests), make Triangle.normal also available as a static (easy consistent normal generation.)
Added simpler postprocessing example.
Merge remote-tracking branch 'bhouston/triangle' into dev
Made simpler postprocessing example a bit less simple :P
Updated builds.
Nah... a bit too much :P
Removed unused object.boundRadius and object.boundRadiusScale.
Updated builds.
WebGLRenderer: added clamping of user specified precision to maximum available.

For the moment just continuing with having both vertex and fragment shaders using the same precision (not to get uniforms precision mismatch, see #1602).

See #2769
Merged with @mrdoob
Create CONTRIBUTING.md

This will allow new github users to see this document when they open a new issue??
Update CONTRIBUTING.md

removing question marks and uppercase title.
add index to contributing
use relative path to create the index

This seems to be working so, I'm going to leave it like this
Merge pull request #1 from gero3/patch-6

Patch 6
make sure the index link als works