Fix identity selector relaunch issue (LP# 1172751)

When identity selector is already running, but hidden
a subsequent attempt to start an identity selector process
now sends a dbus message to the original process telling it
to show the ui. The new process then exits with an appropriate
message.
Update release to include new changes in rpms
Merge branch 'master' of file:///srv/git/moonshot-ui into debian
New upstream version