[ticket/10772] Use forum specific style for trigger_error

PHPBB3-10772
[ticket/develop/10772] Unit tests for forum specific style

Unit tests for forum specific style for 3.1 branch

PHPBB3-10772
Merge branch 'ticket/10772' into ticket/develop/10772

* ticket/10772:
  [ticket/10772] Use forum specific style for trigger_error
[ticket/develop/10772] Fix copyright year

PHPBB3-10772
[ticket/10772] Functional tests for forum style

PHPBB3-10772
[ticket/10772] Remove unnecessary comment

PHPBB3-10772
[ticket/8319] Prepend Board URL to LOCAL_URL links to prevent abuse

The description says:
"The URL must be relative to the topic page and cannot contain a server name
or protocol."
We now enforce this and will add a new token with the current behaviour back.

PHPBB3-8319
[ticket/8319] Add new token RELATIVE_URL to allow foreign relative URL parts

PHPBB3-8319
[ticket/8319] Update BBCodes that currently use the LOCAL_URL tag on update

To fix http://tracker.phpbb.com/browse/PHPBB3-8319 we changed the
second_pass_replace value, so that needs updating for existing ones.

PHPBB3-8319
[ticket/8319] Add explanation for RELATIVE_URL and update LOCAL_URL

The explanation now states that links are prefixed with the board URL.

PHPBB3-8319
[ticket/8319] Do not repeat the replacement

PHPBB3-8319
Merge branch 'ticket/8319' into ticket/8319-develop2

* ticket/8319:
  [ticket/8319] Do not repeat the replacement
  [ticket/8319] Add explanation for RELATIVE_URL and update LOCAL_URL
  [ticket/8319] Update BBCodes that currently use the LOCAL_URL tag on update
  [ticket/8319] Add new token RELATIVE_URL to allow foreign relative URL parts
  [ticket/8319] Prepend Board URL to LOCAL_URL links to prevent abuse

Conflicts:
	phpBB/install/database_update.php
[ticket/8319] Add migration file for update change

PHPBB3-8319
Merge remote-tracking branch 'EXreaction/ticket/11630' into develop-olympus

* EXreaction/ticket/11630:
  [ticket/11630] Improvements to the PHP lint pre-commit hook
Merge branch 'develop-olympus' into develop

* develop-olympus:
  [ticket/11630] Improvements to the PHP lint pre-commit hook
Merge remote-tracking branch 'remotes/nickv/ticket/8319' into develop-olympus

# By Joas Schilling
# Via Joas Schilling
* remotes/nickv/ticket/8319:
  [ticket/8319] Do not repeat the replacement
  [ticket/8319] Add explanation for RELATIVE_URL and update LOCAL_URL
  [ticket/8319] Update BBCodes that currently use the LOCAL_URL tag on update
  [ticket/8319] Add new token RELATIVE_URL to allow foreign relative URL parts
  [ticket/8319] Prepend Board URL to LOCAL_URL links to prevent abuse
Merge remote-tracking branch 'remotes/nickv/ticket/8319-develop' into develop

# By Joas Schilling
# Via Joas Schilling
* remotes/nickv/ticket/8319-develop:
  [ticket/8319] Add migration file for update change
  [ticket/8319] Do not repeat the replacement
  [ticket/8319] Add explanation for RELATIVE_URL and update LOCAL_URL
  [ticket/8319] Update BBCodes that currently use the LOCAL_URL tag on update
  [ticket/8319] Add new token RELATIVE_URL to allow foreign relative URL parts
  [ticket/8319] Prepend Board URL to LOCAL_URL links to prevent abuse
Merge branch 'develop-olympus' into develop

* develop-olympus:
[ticket/11644] Skip phpbb_dbal_order_lower_test on MySQL 5.6

PHPBB3-11644
Merge remote-tracking branch 'remotes/igorw/ticket/11644' into develop-olympus

# By Igor Wiedler
# Via Igor Wiedler
* remotes/igorw/ticket/11644:
  [ticket/11644] Skip phpbb_dbal_order_lower_test on MySQL 5.6