Updated Dutch translation.

git-svn-id: https://plugins.svn.wordpress.org/broken-link-checker/trunk@968327 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated POT file.

git-svn-id: https://plugins.svn.wordpress.org/broken-link-checker/trunk@968328 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version 1.9.4.1 and changelog 

git-svn-id: https://plugins.svn.wordpress.org/broken-link-checker/trunk@968329 b8457f37-d9ea-0310-8a92-e5e31aec5664