Travis CI: site documentation update at 2014-04-29 02:54:09 UTC.

Commit: https://github.com/urho3d/Urho3D/commit/6ad8c1434614674405657d42d6f11fde67b7246d

Message: Add engine param for enabling touch emulation during initialization.
Adjust sample base class to add screen joystick on desktop platform when touch emulation is enabled.