Adding translation support, fixing bug, changing domain and more

git-svn-id: https://plugins.svn.wordpress.org/profile-widget/trunk@1050428 b8457f37-d9ea-0310-8a92-e5e31aec5664
Quick DE language update

git-svn-id: https://plugins.svn.wordpress.org/profile-widget/trunk@1050432 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixing readme bug

git-svn-id: https://plugins.svn.wordpress.org/profile-widget/trunk@1050436 b8457f37-d9ea-0310-8a92-e5e31aec5664