blender lights export
Fixed Blender 2.66 exporter to export multiple actions. Credit to kontan on this one.
Editor: Support transparent backgrounds on ui elements by removing fixed color assignments
Expand viewport to window size
Editor: Refactor fixed border colors to css classes
Editor: Refactor fixed user-select rules to css
Editor: Extracting FancySelect styles to template
Editor: Update Element.addClass implementation
Editor: Extract embedded style tag to linked stylesheet
Editor: Extracting input styles to template
Editor: Revised dark theme
Editor: Added theme switcher, restored default theme colors plus misc cleanup
Support removeEventListener inside event handler

Support the following (and similar) use-case:

```javascript
var object = new THREE.Object3D()
var doOnce = function() {
// do something
object.removeEventListener("foo",doOnce);
}
object.addEventListener("foo", doOnce);
```
Editor: Restored viewport dimension and moved more properties to the stylesheet.
Editor: Themes code clean up.
Editor: Removed clearColor.
Fixed double-counting of opacity when vertexColors are used
Updated builds.
TransformControls: Check if mouse is hovering gizmo onPointerUp. Fixes #3915.
Code clean up.
Fixed a comment typo in PointerLockControls.js