Fixed attribute getter.
Fixed tween chaining
Update hop dependency version

hop 0.27.x hasn't restrictive dependencies, so now this version of hop
doesn't work.
Merge pull request #131 from seguins/unittest

Update hop dependency version
Merge pull request #120 from TyOverby/patch-1

Fixed attribute getter.
Fixes #119 : broken links
Added OBJLoader and example
Merge pull request #132 from seguins/broken_link

Fixes #119 : broken links
Merge pull request #133 from seguins/OBJLoader

Added OBJLoader and example
Cast JSONLoader ints to doubles where needed.
Use double for translations

The translate method and all its children use Vector::scale which takes
a double as scale factor.

Translate takes it’s distance as num and breaks on the scale part when
using an int.
Merge pull request #139 from Slemgrim/master

Use double for translation distance
Fixed list indexing in closed spline curve
Merge pull request #141 from gwTumm/master

Fixed list indexing in closed spline curve
Moved Canvas and CSS renderers to extras
Changed domElement to this.domElement in TrackballControls constructor.

Ported misc_controls_trackball example from three.js as test for this change.
Ported OrthographicTrackballControls.js from three.js to Dart, added example

Added misc_controls_orthotrackball example as a "test". This example is not present in the three.js project.
Fixed adding multiple PointLights

The pointDistances list was being treated as a JS array, not a proper
List. This should fix issue #137.
Ported OrbitControls.js from three.js to Dart, ported associated three.js example

The example has been ported from three.js. It is the official three.js example for using orbit controls.
Refactored to focus on WebGL renderer #143

- Introduced new Material interfaces
- Moved CanvasRenderer to examples