Small German update
Release version 1.4.2.2

fix #261
release id 2fc70d6803
Flag master build as support release
slovak translation update
remove check for latest version from setup

setup cannot continue with this check if the Zenphoto site is down.
Merge remote-tracking branch 'origin/master' into 1.4.5

Conflicts:
	zp-core/githead
	zp-core/setup/index.php
	zp-core/version.php

	modified:   zp-core/githead
	modified:   zp-core/locale/de_DE/LC_MESSAGES/zenphoto.mo
	modified:   zp-core/locale/de_DE/LC_MESSAGES/zenphoto.po
	modified:   zp-core/locale/sk_SK/LC_MESSAGES/zenphoto.mo
	modified:   zp-core/locale/sk_SK/LC_MESSAGES/zenphoto.po
	modified:   zp-core/setup/index.php