[Display] Removed all unity references
[Display] Don't show black panel on primary monitor
[Display] Remove more code related to top panel
[Display] Bold name of primary monitor
[Display] Added "Set as Primary" button
[Display] Remove more dead code
Merge branch 'display' of https://github.com/dalcde/cinnamon-control-center into dalcde-display

Conflicts:
	panels/display/cc-display-panel.c
Fixed mistake during merge
Fixed makepot (intltool-extract only works with one file..)
Replaced pink with green ;)