Prevent printer-action menu items being incorrectly sensitive (bug #1124284).
GUI: chain up to parent constructor.
troubleshoot: note errors while fetching error_log
Python3 fixes for udev-add-printer, from 2to3.
More robust argument handling in udev-configure-printer.
Fixed typo causing bluetooth queues not to be removed.
Use Gtk main loop in D-Bus service (bug #1116756).
Merge branch '1.4.x'

Conflicts:
	troubleshoot/ErrorLogCheckpoint.py
Don't set subprocess's stdout to non-writable fd.
Merge branch '1.4.x'
Python3: use subprocess.DEVNULL instead of std...=file(/dev/null,...).
StateReason: Fixed __cmp__ conversion to rich comparisons (Ubuntu #1364196)
Re-bootstrap with newer build tools.
tx pull && make update-po
Bumped version for release.
Take the gdk lock before entering gtk_main() (bug #1052203 comment 24).
Merge branch '1.4.x'
Use GLib.idle_add, not GObject.idle_add.
More Python3 fixes.
More use of subprocess.DEVNULL.