Travis CI: site documentation update at 2014-07-19 13:35:42 UTC.

Commit: https://github.com/urho3d/Urho3D/commit/91c489bdfbd11c54807c49cbd0a8e705fb3385ca

Message: Setup RPATH for Mac OS X. Adjust soversion to keep Apple linker happy.
Set CMake policy CMP0042 to NEW for early CMake 3.0.0 adopters to prevent warning message when generating Urho3D project file.