Cancel first run doesn't end bitmask

First run wizard 0.8.0rc2, ubuntu 14.04, Unity: hit cancel, right click on the panel icon and hit quit. Wait forever. Hit ctrl-c in the terminal. Expected to either close the wizard or the whole client when hitting cancel.

(from redmine: created on 2015-01-08, closed on 2015-01-08, duplicates #6034 (closed))