trVps changed in trlVpsStatic - otherwise translation does not work
Remove readfile_chunked again

Causes Problem with some servers
Add setAllowBlank(false) for Category in Newsletter Subscribe Component
implement getExportData in various trl components where it's required for cultours
fix trl image output if master is not visible
Merge branch '1.9' into 1.11
Merge branch '1.11' into 2.0

Conflicts:
	Vps/View/Helper/Image.php
Merge branch '2.0' into 2.1

Conflicts:
	Vpc/Basic/Html/Trl/Component.php
Merge remote branch 'origin/2.1' into 3.0

Conflicts:
	Vps/Component/Plugin/Password/LoginForm/Component.php
Merge branch '3.0' into 3.1

Conflicts:
	Kwf/Component/View/Helper/Image.php
Merge branch '3.1' into 3.2
correctly clear cache of image_trl

required because image_trl outputs image now itself and thus gets it's own cache
Merge branch '1.9' into 1.11
Merge branch '1.11' into 2.0
update to 2.0 cache meta'
Merge branch '2.0' into 2.1
Merge remote branch 'origin/2.1' into 3.0
remove outdated cache callback code
Merge branch '3.0' into 3.1
Merge branch '3.1' into 3.2