Merge pull request #532 from xoppa/master

Matrix4 add set with translate, rotate and scale
Fixed casting errors when not using type object array with Array.
Missing background in copy ctor.
Better focus restoration.
Don't synch for update(millis).
Merge branch 'origin/master'
Add user-configurable number of simultaneously playing audio sources
Use GwtTestWrapper for GWT tests
Remove Skin emulation for GWT
Make consoleLog public for easy use
Remove comment about Skin emulation
Various fixes for GWT reflection
Merge pull request #534 from manuelbua/custom-simult-audio-sources

Add user-configurable number of simultaneously playing audio sources
Don't resolve more than we need to.
Merge pull request #533 from xoppa/3dapi

3dapi: various changes to baseshader
Merge pull request #535 from xoppa/3dapi

Fix gles10 ambient
Maps get a shrink method.

Rejoice.
Don't need these methods.
Allow null outputDir string.
Merge branch 'origin/master'