update german lang tags
Merge branch 'ckan-2.2.1_le_mod' of github.com:eccenca/ckan-internationalize into ckan-2.2.1_le_mod
Merge pull request #4 from eccenca/master

Merge pull request #3 from eccenca/ckan-2.2.1_le_mod
Merge pull request #5 from eccenca/ckan-2.2.1_le_mod

update master