Update de_DE

git-svn-id: https://plugins.svn.wordpress.org/gwolle-gb/trunk@1054986 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tag 1.0.7 as stable

git-svn-id: https://plugins.svn.wordpress.org/gwolle-gb/trunk@1054990 b8457f37-d9ea-0310-8a92-e5e31aec5664