* Rename all files to use 10.3 in the filename
* Adjust rules to delete extra lines from control file
* Adjust control file to have correct Replaces/Breaks list for each
package
* Add libcurl3-dev as build dependency for mariadb server in debian
These changes update the contents and behaviour of current packages
to match the current packaging in Debian official repos.
Keep mtr test scope small.
Updating maintainer scripts also required regenerating the translations.
Rules based on modern dh_* buildtools.
Update control file with new Debian conventions:
- Provide virtual-mysql-* virtual packages
- Recommends perl modules instead of Depends
