Only invalidate cache if data actually changes
Merge branch 'master' of https://code.google.com/p/nekonme
Fix startup issue where event is not set first time around
Merge branch 'master' of https://code.google.com/p/nekonme
Added copyFrom and setTo to Vector3D (both native and browser).
Adding TravisCI unit-test for cpp, neko and js target.
Merge branch 'master' into travis-native