waylandloginmanager: if the waylandloginmanager is restarted, the loginmanagerdisplay does not go down with it. Make the waylandloginmanager detect existing instances, and get the tty of the existing instance

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2857 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9
Set KDE exceptions to the default (remove the flag) as it was only needed for libboost 1.53

Fix krunner's deb name

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2858 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9