Fixes #1124: Creating roaming link is not working on PHP 7.3
Conflicts: application/controllers/links.php
Refs #1106: Fix installation on Wheezy by using mysqli PHP extension only for PHP 7.0>=
refs #1035: removal of db_type variable from the configuration, always mysqli now
Fix merge issue that removed all staff from developer branch :-).
Undo my stupid mistake (I have pushed issue-957 to master instead of develop). Do I have copied files from GitHub master and push them back..
Merge from SVN branch 1.2.
Release 1.1.0
Release 1.0.12
Release 1.0.0