[ticket/11860] htaccess: Support for Apache 2.4's "Require" syntax.

PHPBB3-11860
[ticket/12254] Better language switching on registration page

PHPBB3-12254
[ticket/12254] Stop using deprecated request_var in user class

PHPBB3-12254
[ticket/12254] Use new set_lang var to avoid conflict with change_lang

PHPBB3-12254
[ticket/12254] Add set_lang var changes to subsilver2 files

PHPBB3-12254
[ticket/12254] Persist set_lang after reg only if changed from default

PHPBB3-12254
[ticket/12254] Use 'language' instead of 'set_lang' as the variable name

PHPBB3-12254
[ticket/12254] No longer need to add change_lang to the URL params

PHPBB3-12254
[ticket/12265] Simplify contact icon design and move to dropdown.

PHPBB3-12265
[ticket/12265] Remove ugly logic.

PHPBB3-12265
[ticket/12265] Fix issue with dropdown being restricted by the width of parent

PHPBB3-12265
[ticket/12265] Add contact icon and remove border from last row & cells.

PHPBB3-12265
[ticket/12265] Ensure that there's only 4 icons per row in IE & Opera.

PHPBB3-12265
[ticket/12265] Adjust alignment of AIM and Jabber icons.

PHPBB3-12265
[ticket/12265] Fix modulo logic.

PHPBB3-12265
[ticket/12265] Break the icons that aren't in loop in case extensions add more

PHPBB3-12265
[ticket/12265] Define a loop for contact icons.

PHPBB3-12265
[ticket/12265] Ensure that dropdown is always at the very left of the container

PHPBB3-12265
[ticket/12265] Actually use $u_pm.

PHPBB3-12265
[ticket/10737] Adding username suggestions in "Find a member" using AJAX

PHPBB3-10737