Tested with WP 3.8.2, refactored slightly and fixed a typo

git-svn-id: https://plugins.svn.wordpress.org/purify-wp-menues/trunk@892248 b8457f37-d9ea-0310-8a92-e5e31aec5664
Deleting *-de.pot file

git-svn-id: https://plugins.svn.wordpress.org/purify-wp-menues/trunk@892249 b8457f37-d9ea-0310-8a92-e5e31aec5664