Refactor to remove child node and its components from scene immediately when it is being removed from the parent.
Fix alpha materials in StaticModelGroup only displaying 1 instance. Closes #544.
Restore custom material in Drawable2D.
Add ownScene option in View3D::SetView, The default value is true in C++ or AngelScript, and false for Lua. Fix issue #545.
Travis CI: API documentation update at 2014-11-29 13:47:31 UTC.
[ci package]
Sync at 2014-11-30 23:30:52 +0800.
For Travis CI - switch CI build to use Raspberry-Pi build environment.