CESNET/perun — pull request #152 by zlamalp (2014-02-13 16:29:11+00:00)
Title: GUI: fixed prederredShells widget

- Use object cloning to prevent null pointer in
preferredShells widget when removing value.
- Fixed setting null value when sending to Perun.
- Refresh Global settings after successfull save
of changes to properly handle local value changes.