fixing dialogs in gnome

http://askubuntu.com/questions/109321/popup-dialogs-attached-to-window-title-and-not-movable

removing Unity from Ubuntu 12.04.1 LTS

aptitude remove empathy libunity-2d-private0 libunity-core-5.0-5 libunity-misc4 unity unity-2d unity-2d-common unity-2d-panel unity-2d-shell unity-2d-spread unity-asset-pool unity-common unity-greeter unity-lens-applications unity-lens-files unity-lens-music unity-lens-video unity-scope-musicstores unity-scope-video-remote unity-services

edit: lightdm will not work at all without unity-greeter. ubuntu sucks more each day