Translation additions from Markus Fischer.
Fixed broken code (totally invalid call).
Merge branch 'release-2.3'

Conflicts:
	themes/root/templates/help/home.phtml
Fixed lightbox login / Your Account link bug.
- Resolves VUFIND-1019.
Merge branch 'release-2.3'
More targeted parameter stripping.
- Resolves VUFIND-1020.
Merge branch 'release-2.3'
Fixed date converter to use the same timezone for conversion and display.