fix url resolve cache of category generator

problem is that non-numeric parent_ids are searched with %
use active instead of important

we don't want to force tabs to show this content
but if we want to (e.g. form) it is also possible
Merge pull request #191 from yacon/3.6_switchDisplay

use active instead of important
pre-process cache ids to have valid cache ids for zend_cache
fix cacheId processing

Zend_cache also doesn't like -
use onContentReady instead of onElementReady

if the component is within tabs or a switchDisplay the widths have to be recalculated
do the callOnContentReady before the animation finishes

to prevent flickering
do the callonContentReady before changing the position to absolute

changing the position to absolute can distort the width of the element
Kwf_Date: fix setLocale for en
don't set var with half-initialized (without backend) cache object

when running tests if creating the backend fails (eg. because cache folder doesn't exist) we don't get a proper exception
as a second test that uses the cache accesses the half-initialized object and tiggers and fatal error which
then hides the original exception
create cache folder, fixes tests
if invalid class is given in asset url output 404 instead of logging an error
only fill memcache from file (second level) if entry exists in second level
fix tests with dynamic type
correctly support getRecursiveChildComponents under a chained start

required for outdorcockpit
fix clearOnFocus, fixes unittests
clear media cache when running unittests
mark test as incomplete until we find a proper solution how to test that
parentClasses does contain the class itself too but parameters where missing; add that

this fixes problem that sometimes the generated class name is added twice to cssClass in component html output
Fix finding template files

now that parentClasses contains class arguments template isn't found anymore