Travis CI: site documentation update at 2014-01-15 20:49:18 UTC.

Commit: https://github.com/urho3d/Urho3D/commit/a7d8f0fd184ff48de4d63631bb6e1524a1bbb884

Message: Added reflection related functions to Plane. Fixed rendering a SkyBox from multiple views during the same frame. Better error message in ShaderCompiler if input file can not be opened.