Removed duplicate line
System plugin: fix applying of settings immediately after changing them
Changed the remaining Gnome references to MATE
Merge pull request #78 from monsta/rename-gnome-references

Changed the remaining Gnome references to MATE
Merge pull request #75 from monsta/remove-duplicate-line

Removed duplicate line
Merge pull request #76 from monsta/fix-system-plugin

System plugin: fix applying of settings immediately after changing them