Merge branch 'master' into 3.3-installer

Conflicts:
	Kwf/Util/ClearCache.php
	Kwf/Util/Setup.php
	tests/Kwf/Update/Tags/Test.php
fix clear-cache
brilliant idea to put php.ini into document root, godaddy
clear-cache after installing updates
make error message more clear
output error if one happens
don't directly output apc cc output, instead send to _output fn

this will show errors if there are any
improve msg
properly implement session validators

Session validators need to get activated when starting the session the first time.

To get this working properly we now have our own Kwf_Session, Kwf_Session_Namespace and Kwf_Auth_Storage_Session.
And those need to be used *always*.

I should also mention that Zend_Session sucks.
don't load whole pages table into memory

TODO: caching, removal of old code
add parent_subroot_id column to pages table

queries to pages table can be optimized using that
fix test, don't add v parameter
fix formdynamic trl subject
fix test, deleteAllVisibleCookies didn't work anymore since httponly cookies are used
Center Lightbox initally without padding
Revert "don't md5 all cache ids, no real reason for that"

This reverts commit 5b51a7c5ab0851ae6e6f1db9009e2226eca5882f.
when clearing memcache also reset simplecache namespace, fixes tests
don't clear memcache competely when using namespacing in simple cache
Merge branch '3.3'

Conflicts:
	Kwc/Form/Component.css
Merge branch 'master' into pages-generator-performance