Unity Greeter is the greeter (login screen) that is used in Ubuntu.

= Acceptance Criteria =

 0. Branch must compile
 0. Greeter runs inside a window with unity-greeter --test-mode and animates correctly
  * Shows menubar with indicators and hostname
  * Shows Ubuntu logo
  * Shows user background with dot grid
  * Shows user list
  * Shows password entry
  * Shows gear session menu
 0. Able to log in with user has a password
 0. Able to log in with user that has no password
 0. Able to log into guest session
 0. Able to switch users