Merge pull request #8 from MaximKraev/master

gnome 3.12 support
Update README.md
Update metadata.json

changed uuid and updated version
clean up and some fixes for older gnome shell versions
clean up and some fixes for older gnome shell versions
Update README.md
clean up and minor fixes
added 0 for 10th element
version
Add support for GNOME Shell 3.14

Looks like the extension works well too in version 3.14

Tested with gnome-shell 3.14.0-1, in Debian jessie (testing).
Merge pull request #11 from mcornella/patch-1

Add support for GNOME Shell 3.14