Merge pull request #19 from snwh/devel

Added additional window management options.
Merge pull request #20 from snwh/devel

Changed WM > Additional wording.
Merge pull request #21 from snwh/devel

Changed checkbox to switch on WM > Additional.
Merge pull request #22 from snwh/devel

Added notifications options to Unity > Additional; fixed papercuts.
Merge pull request #23 from snwh/devel

Fixed WM > Additional spacing papercut.
Merge pull request #24 from snwh/devel

Fixed error in scrollbar radio buttons behaviour.
Merge pull request #25 from snwh/devel

Fixed LP:1098833; implemented pid lock.
Merge pull request #26 from snwh/devel

Changed pid lock file location
Added switches for mounted devices and the workspace switcher on the launcher.