Translation update (ko)

Fix for issues #877 & #885 related to a bug in PCRE 6.6

Since Chrome 37, they send differen accept encodings for POST and GET
requests which will break BrowserUID checks as reported in
cosmocode/dokuwiki-plugin-oauth/issues/3

See https://code.google.com/p/chromium/issues/detail?id=410559 for
official bug report at Google

Fix broken format string

extend lang file cascade, so users can override some lang strings

 date_at support 

Update text above searchresults, when only read-acl FS#2697

* bug865:
  work around missing gzopen on certain systems #865

remove config option

Conflicts:
	inc/lang/hr/searchpage.txt
	inc/lang/ko/searchpage.txt

different types
unused vars
PHPDocs

Conflicts:
	inc/plugin.php

Added support for external video and audio files

added filter method to INPUT class

clean user credentials from control chars

Last Update Date info of extension fix

Translation update (zh)

* origin/auth_getUserData_improvements:
  KISS - remove class constants for REQUIRE_GROUPS & IGNORE_GROUPS and replace with boolean values
  use $requireGroups constants in auth classes; comments; code improvements
  fix comment errors, sp. & grammar
  code styling - add missing braces
  Allow user info to be retrieved without groups
  Restore correct public interface of getUserData() for authldap plugin

Conflicts:
	inc/common.php

improve qsearch suggestions

Adding X-Forwarded-Proto support