Updated to Gnome Shell 3.14 and fixed the description

I tried on Gnome Shell 3.14 and works perfect, you can add it :), and fixed the description, gnome tweak tool didn't show this extension cause didn't like your "spaces" in "description":  field
Merge pull request #1 from x11tete11x/patch-1

Updated to Gnome Shell 3.14 and fixed the description