Travis CI: site documentation update at 2014-01-25 19:10:09 UTC.

Commit: https://github.com/urho3d/Urho3D/commit/d2a7173e5fd8bcb0e0e550a07bd4a2bad33a49f8

Message: Reset UI cursor shape during BeginFrame event, which allows custom logic to set it per frame. Apply OS cursor shape only once during UI rendering to avoid flicker (and potential loss of performance)