Make expression return 0 or 1

If not, whereEquals was not evaluated correctly
added addViewTracker param for createMail/send method in Mail Abstract and set this in newsletter preview send testmail to false

is necessary that a test user dont logs into statistics
show title param in newsletter statistics
synctree move fix

moving under root didn't work
priority to set gtClasses before calculate height in ListSwitch
add force parameter to clear-view-cache cli controller which doesn't ask for confirmation
add support for clearOnFocus for textarea
fix synctree visible icons change
Revert "Do not lock when no sync is necessary"

This reverts commit ae545f924384b9dbef6f9d7d928addf2af4b956a.
it breks Kwf_Model_MirrorCache_SlowMirror_Test
Revert "add missing if before unlockSync"

This reverts commit 590962bfb4785de21679be71730a0bbf0c3ead9b.
alternative implementation for lock recursion fix
add kwf-downloader compatibility with setupFinished setting

will be removed once setup finished
Revert "Do not lock when no sync is necessary"

This reverts commit ae545f924384b9dbef6f9d7d928addf2af4b956a.
Merge branch '3.3' into 3.4

Conflicts:
	Kwf/Model/MirrorCache.php
fix test
preload more classes
require instead of require_once
improve class preloader
don't use zend_cache for cache_simple and component_memory caches

should improve performance of fully cached pages
remove interface that existed for no real value

with that we have one file less to load for every request