Fix EZP-19650: move to trash and trashpurge.php can hit the memory limit
Update kernel/classes/ezcontentobjecttreenode.php

eZContentObjectTreeNode::getLimitationList() does not need to know the user permissions when policy limitations are disabled, so don't check it.  This enables using methods like eZContentObjectTreeNode::subTreeByNodeID() to be used in SSO handler functions without an infinite loop.
Implemented EZP-20288: As a support engineer I would like eZDB & eZFS2 Cluster removed in favor of eZDFS
Merge branch 'EZP-20288'

Conflicts:
	doc/bc/5.1/changes-5.1.txt
	kernel/classes/clusterfilehandlers/dbbackends/mysqli.php
	kernel/classes/clusterfilehandlers/ezdbfilehandler.php
	kernel/clustering/dbmysqli.php
	kernel/private/classes/clusterfilehandlers/ezfs2filehandler.php
	tests/tests/kernel/classes/clusterfilehandlers/ezdbclusterstalecache_test.php
	tests/tests/kernel/classes/clusterfilehandlers/ezdbfilehandler_test.php
	tests/tests/kernel/classes/clusterfilehandlers/ezfs2clusterstalecache_test.php
	tests/tests/kernel/classes/clusterfilehandlers/ezfs2filehandler_test.php
Removed: config leftover
Fixed: method declared twice

This regression has been introduced in
590f34df85d06936d4bf953c884efaef4f1d3a0a while solving EZP-20288.
Fix EZP-20324: Add cache events to be able to clear cache on changes

This is part of https://github.com/ezsystems/ezpublish-kernel/pull/198
Fix EZP-20316: long attribute desc overflow in Internet Explorer
Fix EZP-19685: Impossible to change the alignment of several paragraphs
EZP-20455: eZUser::isLoggedIn does not correctly check user's state

Deprecate isLoggedIn() in favor of the new isRegistered() and the
existing isUserLoggedIn() methods.
Fixed typos
Merge pull request #569 from pborreli/typos

Fixed typos
Fixed EZP-20527: Missing value update in db_data.dba

ezcobj_state_group_language.real_language_id had not been updated
in commit 8823cc7b38216feb85df08c6cf5ef654a6ce975a.
Fixed EZP-20512: Fatal error when uploading file to object relations with certain permissions
Update ezcontentobjecttreenode.php

replace 'and' with '&&' in getLimitationList
Merge pull request #541 from jxn/master

Fixed EZP-20302: eZContentObjectTreeNode::getLimitationList() cannot be called by SSO Handler methods without infinite recursion
Merge pull request #564 from ezsystems/cache_events

Fix EZP-20324: Add cache events to be able to clear cache on changes
Update to jQuery 1.9.1 & jQuery UI 1.10.1
If $dataString is empty $dataString == $storageDir
Fix EZP-20556: Creating a new class shows error in redirect