GUI: Switched default error report RT queue from 'perunv3' to 'perun'.
Merge pull request #23 from zlamalp/fix_gui

GUI: Switched default error report RT queue from 'perunv3' to 'perun'.
GUI: Usability tweaks (show processing buttons)
Merge pull request #24 from zlamalp/gui

GUI: Usability tweaks (show processing buttons)
Merge upstream/master