[ticket/11747] Add $phpbb_dispatcher to global

PHPBB3-11747
[ticket/11747] ucp_prefs_personal core events

PHPBB3-11747
[ticket/11747] ucp_prefs_personal template events

PHPBB3-11747
[ticket/11747] ucp_prefs_view core events

PHPBB3-11747
[ticket/11747] ucp_prefs_view template events

PHPBB3-11747
[ticket/11747] ucp_prefs_post core events

PHPBB3-11747
[ticket/11747] ucp_prefs_post template events

PHPBB3-11747
[ticket/11747] Use _prepend and _append for template events

PHPBB3-11747
[ticket/11747] Tweak some of the wording in the events doc

PHPBB3-11747
[ticket/11782] Change p.rules to p.post-notice in templates

PHPBB3-11782
[ticket/11782] Change p.rules to p.post-notice in CSS

PHPBB3-11782
[ticket/11782] RTL support for post notices

PHPBB3-11782
[ticket/11782] Apply line-height correctly

Apply line-height only to bolded elements inside post notices
that are direct child elements of forms.

PHPBB3-11782
[ticket/11562] Convert marklist() to jQuery

PHPBB3-11562
[ticket/11562] Remove submit_default_button from forum_fn

Remove submit_default_button() and related functions
from forum_fn.js

PHPBB3-11562
[ticket/11562] Use jQuery in subPanels

PHPBB-11562
[prep-release-3.0.12] Bumping version number for 3.0.12-RC3.
[prep-release-3.0.12] Update Changelog for 3.0.12-RC3 release.
[ticket/11825] Move schema_data.php into includes/ instead of phpbb/

PHPBB3-11825
Merge branch 'prep-release-3.0.12' into develop-olympus

* prep-release-3.0.12:
  [prep-release-3.0.12] Update Changelog for 3.0.12-RC3 release.
  [prep-release-3.0.12] Bumping version number for 3.0.12-RC3.

Conflicts:
	phpBB/includes/constants.php
	phpBB/install/database_update.php
	phpBB/install/schemas/schema_data.sql