add comments for recent settings class additions to extra.class.php
remove php_strip_whitespace() alternate, no longer required as php min req't ensures its always present
remove no longer used email pattern, validation is done by mail_* functions
FS#2722 add settings_regex class, use it for hidepages
fix security caution for 'remote' setting (was 'xmlrpc')
replace preset _cautionList property with _caution config metadata parameter, plugins can now easily set cautions on their settings
change tpl_actiondropdown request method to 'get'
remove security token from tpl_actiondropdown - its not necessary, we're not posting any system change
add security token back, but not for anonymous users
fixed auth_browseruid on IE9

IE9 send different HTTP_ACCEPT_LANGUAGE header on ajax request. This causes different results from auth_browseruid. This patch removes the HTTP_ACCEPT_LANGUAGE from the browser id calculation.
Update inc/template.php

changed nonexistant actionOk to actionOK
Fix handling of failed authentication loading

In the case of a failed authentication initialization, the
authentication setup was simply continued with an unset $auth object.
This restores the previous behavior (before merging #141) of simply
returning after unsetting $auth. Furthermore this re-introduces the
check if $auth is set before checking $auth and removes a useless
check if $auth is true (could never be false).
Revert the search depth behavior changes from #154

This reverts parts of the changes from #154: Before merging the pull
request, a depth of 1 returned just the pages in the root namespace.
With the changes in the pull request, a depth of 1 also returned pages
in subnamespaces of the root namespace (as it was also tested in the test case).
This reverts this part of the changes and a depth of 1 returns just the
pages in the root namespace again.
Fix remaining missing $INPUT uses FS#2577

This adds $INPUT in all places where it was still missing and available.
$INPUT is now also used in places where using $_REQUEST/... was okay in
order to make the code consistent.
add unit test for pageinfo()
little change to syntax we had on the life site
Fix double encoding in rss syntax FS#2731
Italian language update
Simplified Chinese language update
fixed typos