Remove pushFront argument from Node::GetOrCreateComponent, fix issue #579, because it is important than issue #569, I think this function can rename to Node::RequireComponent.
Travis CI: API documentation update at 2014-12-27 13:51:48 UTC.
[ci package]
Typo
Fix WritePackedQuaterion() always returning false. Closes #581.
Merge remote-tracking branch 'upstream/master'
update.