Travis CI: site documentation update at 2014-04-04 22:25:18 UTC.

Commit: https://github.com/urho3d/Urho3D/commit/c8fe21f06a0841d52ca61b7fd5a5cfc41bae09a9

Message: Revert "Fixes to sceneless renderpath on OpenGL." to fix crash on minimize on Android.