Hints for jami in main

Warnings

• asv-category-invalid
  <code>jami.appdata.xml</code> - <em>Communication</em><br/>The category name is not valid. Refer to the XDG Menu Specification for a list of valid category names.
• asv-category-invalid
  <code>jami.appdata.xml</code> - <em>Productivity</em><br/>The category name is not valid. Refer to the XDG Menu Specification for a list of valid category names.
• translations-not-found
  Unable to add languages information, even though a <code>translation</code> tag was present in the MetaInfo file. Please check that its value is set correctly, and all locale files are placed in the right directories (e.g. <code>/usr/share/locale/*/LC_MESSAGES/</code> for Gettext .mo files).