make lensflares work on WebglRenderer2
add some more API updates
update the docs for THREE.Camera
initial adoption of closures in the math library.  all unit tests pass.
fix three missed conversions to closures.  switch to extending math prototypes rather than replacing them.  This is to ensure that types created in closures within a type's prototype definition get their prototype updated with the full definition.
add source for THREE.extend method.
Merge remote-tracking branch 'gero3/dev' into dev
Add support for LineDashedMaterial in CanvasRenderer
Detect Python version when running build.py script and let user know the script won't run in Python < 2.7, suggest a download link, then quit
Merge branch 'master' into dev
Merge remote-tracking branch 'sole/dev-build-python-less-than-2.7' into dev
Friendlier message.
Simplified CanvasRenderer line dash code.
updated buffergeometry documentation
update the clock documentation
update css file for code
Update docs/api/core/BufferGeometry.html

remove double entry
Merge remote-tracking branch 'gero3/documentation' into dev
Merge branch 'master' into dev
Merge remote-tracking branch 'bhouston/math-closures' into dev