Add the constants needed for the translation
Update mediawiki.ott:
- add title in meta.xml for translation
- remove German language tags to make the template language independant
- simplify Settings.xml
- update Thumbnail.png
- replace fonts with Noto's family fonts
Build mediawiki.ott from XML files like other templates. See
/extras/CustomTarget_templates.mk
Change-Id: I575843003796cb04099f1061f816ba52c658d41d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/211247
Tested-by: Jenkins
Reviewed-by: Laurent Balland <laurent.balland@mailo.fr>
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>