Travis CI: site documentation update at 2014-02-17 20:37:45 UTC.

Commit: https://github.com/urho3d/Urho3D/commit/cc9e5e1994ce1d495832e0d4082e8b264fe7ddf5

Message: Moved to XML based shader precache files. Refactored shader precaching code to its own class. Closes #199.