[ticket/12685] Add --safe-mode

PHPBB3-12685
[ticket/12685] Removed spaces

PHPBB3-12685
[ticket/12685] Container is dumped by default

PHPBB3-12685
[ticket/12685] Add a new line

PHPBB3-12685
[ticket/12685] Inject console.command_collection instead of the container

PHPBB3-12685
[ticket/12685] Removed unused USE statement

PHPBB3-12685
[ticket/12685] Override getDefaultInputDefinition()

PHPBB3-12685
[ticket/12685] Do not dump container

PHPBB3-12685
[ticket/12685] Replace getParameterOption with hasParameterOption

PHPBB3-12685
[ticket/12814] Replace email type with text type

PHPBB3-12814
[ticket/12854] Don't show contact page link if board emails are disabled

PHPBB3-12854
[ticket/12855] Dump the container based on DEBUG_CONTAINER instead of DEBUG

PHPBB3-12855
Merge pull request #2736 from Elsensee/ticket/12854

[ticket/12854] Don't show contact page link if board emails are disabled

* Elsensee/ticket/12854:
  [ticket/12854] Don't show contact page link if board emails are disabled
[ticket/12853] Change navbar ACP from skip- to last-responsive

PHPBB3-12853
[ticket/12845] Remove invalid ARIA role for breadcrumbs

PHPBB3-12845
[ticket/12837] Detect "viewing contact admin page" on viewonline

PHPBB3-12837
[ticket/12837] Use else if instead of elseif

PHPBB3-12837
Merge pull request #2709 from rxu/ticket/12828

[ticket/12828] Add ucp_prefs.php common core event

* rxu/ticket/12828:
  [ticket/12828] Add ucp_prefs.php common core event
[ticket/12859] Add template events ucp_pm_viewmessage_post_buttons

PHPBB3-12859
[ticket/12861] Add event to modify the post, poster and attachment data

PHPBB3-12861