Hints for gromit-mpx in universe

Hints

• asv-cid-contains-hyphen
  net.christianbeier.Gromit-MPX.appdata.xml:4 - net.christianbeier.Gromit-MPX
  The component ID contains a hyphen/minus. Using a hyphen is strongly discouraged, to improve interoperability with other tools such as D-Bus. A good option is to replace any hyphens with underscores (`_`).