Travis CI: site documentation update at 2014-05-24 04:37:10 UTC.

Commit: https://github.com/urho3d/Urho3D/commit/96295b4923f48aed21cce07f8cd5c1e9e3572597

Message: Ensure the application logs are created in a writeable location.

- Add a new function to get application preferences directory and expose it to scripting.
- Change Editor to save/load configuration file from the application preferences directory.
- Standardized the location of log files generated by Urho3DPlayer and samples. Ensure it is created in a user writeable location to prevent application locked up during closing.