These types appear with the same name in libnm-gtk, but they're
not shared because they come from different code, so they
need namespacing.
This prevents a crash that happens if you open a wifi property
dialog and then click "Connect to hidden network"
https://bugzilla.gnome.org/show_bug.cgi?id=700137
This code is fairly independent of the rest, and we don't want
net-device-wifi.c to become too massive and unmaintainable.
The code in connection-editor/ is fairly similar to
nm-connection-editor, with some simplification because we
currently only edit wireless connections.
The code in wireless-security/ is almost a straight copy
of the same code in nm-connection-editor, with some changes
to the .ui files to make them fit better in the new design.
