Travis CI: site documentation update at 2014-02-22 20:32:25 UTC.

Commit: https://github.com/urho3d/Urho3D/commit/973b353a08049af7588393eeb2680e87abe62bbc

Message: Safeguard CollisionShape against empty models to prevent Bullet asserts.
Reset Font type to none when (re)loading.