move snmpd.conf default configuration to plugin-snmp package

rhbz#894067

Change-Id: Id5dc7346f8a440f20f5ba69e3c4c01ea5132758f
Signed-off-by: Joey Boggs <jboggs@redhat.com>
ui: Several smaller fixes

- Correct closing of dialogs
- Handle the case where a bridge is configured but not available
- ...

Change-Id: I70f66b84cadd6a1dcea8a19389cd4f4595f1d06d
Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>