[ticket/10772] Use forum specific style for trigger_error

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/11617] Missing U_ACTION in acp_captcha.php

http://tracker.phpbb.com/browse/PHPBB3-11617

PHPBB3-11617
[ticket/11617] Remove spaces and tabs from empty lines

PHPBB3-11617
Merge remote-tracking branch 'VSEphpbb/ticket/11617' into develop-olympus

* VSEphpbb/ticket/11617:
  [ticket/11617] Remove spaces and tabs from empty lines
  [ticket/11617] Missing U_ACTION in acp_captcha.php
[ticket/11619] Some tests for get_remote_file().

PHPBB3-11619
[ticket/11619] Use HTTP/1.0 because of lack of chunked-encoding handling.

PHPBB3-11619
Merge remote-tracking branch 'remotes/bantu/ticket/11619' into develop-olympus

# By Andreas Fischer
# Via Andreas Fischer
* remotes/bantu/ticket/11619:
  [ticket/11619] Use HTTP/1.0 because of lack of chunked-encoding handling.
  [ticket/11619] Some tests for get_remote_file().
[ticket/11630] Improvements to the PHP lint pre-commit hook

The PHP lint pre-commit hook fails to display any output when an error
other than a parse error is decteced.

Additionally, the hook may not display any meaningful output depending
on php.ini settings. This commit removes the dependency on php.ini.

PHPBB3-11630
[ticket/8319] Do not repeat the replacement

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 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
[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
Merge remote-tracking branch 'remotes/cyberalien/ticket/10772' into develop-olympus

# By Vjacheslav Trushkin
# Via Vjacheslav Trushkin
* remotes/cyberalien/ticket/10772:
  [ticket/10772] Remove unnecessary comment
  [ticket/10772] Functional tests for forum style
  [ticket/10772] Use forum specific style for trigger_error