[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
Remove auto-login option in user-accounts
Add a link to mdmsetup for "login options" in user-accounts
Changes for cinnamon-settings-daemon/cinnamon-session
Fix build on saucy/3.8, thanks @citybusz
Fix build break
Suppress empty tooltip in mdm-setup link
Change region panel layout tab to "Keyboard Layouts"
power: Add configuration option for power button action
Modifications for 12.04/Mint 13:

- disable cheese (user accounts snapshot)  when not available
- don't build bluetooth module when version is too low (recommend
  forking gnome-bluetooth)
- dependency version changes
Build against cinnamon-bluetooth
Fix icon name
Fix depends
Don't require explicitness to build with webcam support
Revert use of cinnamon-bluetooth