FreenetIS

Fixes #1124: Creating roaming link is not working on PHP 7.3

Conflicts:
application/controllers/links.php

Refs #1108: Fixes scheduler failure due to deprecated function in e-mail sending on PHP 5.5 >=

Merge branch 'issue-1106_develop' into 'develop'

Fixes #1106: Fix installation on Wheezy [develop]

See merge request freenetis/freenetis!50

Fixes #1096: Big debtor message + notification auto activation e-mail report [develop]

Refs #1106: Fix installation on Wheezy by using mysqli PHP extension only for PHP 7.0>=

Refs #1076: member expiration date calculation fix. The calc functionality was separate from Members controller to a new Expiration calc service. The new service comes with unit tests which tests the #1076. Additionally this patch comes with some fixes and improvements in already existing unit and integration tests.

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.