Łukasz Wieczorek

Tests fail because they try to run with network access.

I can provide documentation for added methods if there is interest in merging.

``` /usr/local/lib/python2.7/dist-packages/ubuntu_tweak-0.8.8-py2.7.egg/EGG-INFO/scripts/ubuntu-tweak:33: PyGIDeprecationWarning: Since version 3.11, calling threads_init is no longer needed. See: https://wiki.gnome.org/PyGObject/Threading GObject.threads_init() [Launcher][DEBUG] Distribution: Ubuntu 14.10 utopic Application: Ubuntu Tweak Desktop:gnome (ubuntu-tweak:84) Attempt to unlock mutex that...

Please expand the tutorial. Thanks!

Fix typo in return word.