[ticket/9089] Add tabindex to PM recipient box, to allow tabbing to the subject

I also added tabindex 1 to the buttons for adding the recipients.
Also note, that duplicated tabindex are fine:
http://www.w3.org/TR/html4/interact/forms.html#adef-tabindex

PHPBB3-9089
[ticket/9089] Add tabindex to pm/topic/post icon-options aswell

PHPBB3-9089
[ticket/10788] Add imkingdavid to the list of developers in docs/AUTHORS.

PHPBB3-10788
[ticket/10788] Move ckwalsh and kellanved to the Former Contributors section.

PHPBB3-10788
Merge remote-tracking branch 'bantu/ticket/10788' into develop-olympus

* bantu/ticket/10788:
  [ticket/10788] Move ckwalsh and kellanved to the Former Contributors section.
  [ticket/10788] Add imkingdavid to the list of developers in docs/AUTHORS.
[ticket/10797] user rank is displayed in mcp_warn.php

When warning a user in MCP, the user's rank title and image are displayed.
language key user rank also added.

PHPBB3-10797
[ticket/10767] Revert unconditional unfatality in commit-msg hook.

Revert "[ticket/10093] Make commit-msg always not fatal by nuking all fatal logic."

This reverts commit 88cad5523e7cdac6826dd8581e27e22a65afda26.

PHPBB3-10093
PHPBB3-10767
[ticket/10767] Default to non-fatal behavior.

PHPBB3-10767
[ticket/10767] Use warning/error language as appropriate.

When commit-msg hook is fatal, label the message as an error.

When it is not fatal, label the message as a warning.

"Syntax error" is still always an error, not sure if this
should be changed.

PHPBB3-10767
[ticket/10767] Clarify what happens at the end of the hook.

If there are problems and fatal is true, print that the commit
is aborted.

If there are problems and fatal is false, print instructions
for fixing the commit.

PHPBB3-10767
[ticket/10797] language key rank moved to common

Language key RANK moved from memberlist to common.
Removed from mcp language.

PHPBB3-10797
Merge remote-tracking branch 'github-dhruv/ticket/10797' into develop-olympus

* github-dhruv/ticket/10797:
  [ticket/10797] language key rank moved to common
  [ticket/10797] user rank is displayed in mcp_warn.php
Merge PR #592 branch 'nickvergessen/ticket/9089' into develop-olympus

* nickvergessen/ticket/9089:
  [ticket/9089] Add tabindex to pm/topic/post icon-options aswell
  [ticket/9089] Add tabindex to PM recipient box, to allow tabbing to the subject
[ticket/10812] Disabled register_globals check in PHP 5.4

Disabled the check for register_globals if PHP version is 5.4+

PHPBB3-10812
Merge remote-tracking branch 'galaxyAbstractor/ticket/10812' into develop-olympus

* galaxyAbstractor/ticket/10812:
  [ticket/10812] Disabled register_globals check in PHP 5.4
Merge remote-tracking branch 'p/ticket/10767' into develop-olympus

* p/ticket/10767:
  [ticket/10767] Clarify what happens at the end of the hook.
  [ticket/10767] Use warning/error language as appropriate.
  [ticket/10767] Default to non-fatal behavior.
  [ticket/10767] Revert unconditional unfatality in commit-msg hook.
[ticket/10815] enables feed feature by default for a fresh install

PHPBB3-10815
Merge remote-tracking branch 'github-dhruv/ticket/10815' into develop-olympus

* github-dhruv/ticket/10815:
  [ticket/10815] enables feed feature by default for a fresh install
[ticket/10492] Separate config generation from the installer

PHPBB3-10492
[ticket/10492] Backporting functional tests

PHPBB3-10492