FreenetIS

Refs #1053: Default sort in emails set to ID which is indexed (previously by access_time), some small improvements in related queries but filters are still very slow.

Conflicts:
application/models/email_queue.php

Refs #1056: GPS in address point table is filled with NULL value instead of empty string value in order to be compactible with MySQL 5.7 and higher that do not support empty string in geometry field values

Conflicts:
application/controllers/members.php
application/controllers/registration.php

Resolves #1060: implement filter for message type in Web interface unallowed_ip_addresses

Fixes #1059: invalid parsing of TXT TB listings for total amount >=1000

Fixes #1055: fix error thrown from TB importer when no payment is found

Prepare release 1.1.19

Fixes #1052: fixes issues in PHP 7.0

Allows to import Tatra banka listings with no variable symbol.

Resolves #1051: mark imported Tatra banka listings messages as read

Fixes #1049: system setting cannot be saved.