removed php warnings

git-svn-id: http://plugins.svn.wordpress.org/networks-for-wordpress/trunk@647099 b8457f37-d9ea-0310-8a92-e5e31aec5664
Adding translation and contributed fixes

git-svn-id: http://plugins.svn.wordpress.org/networks-for-wordpress/trunk@648932 b8457f37-d9ea-0310-8a92-e5e31aec5664
Merge branch 'master' of gitlab.services.generalthreat.com:plugins/networks-for-wordpress
Delete rewrite rules for blog correctly

git-svn-id: http://plugins.svn.wordpress.org/networks-for-wordpress/trunk@654632 b8457f37-d9ea-0310-8a92-e5e31aec5664
Merge branch 'master' of gitlab.services.generalthreat.com:plugins/networks-for-wordpress
Merge branch 'master' of github.com:ddean4040/Networks-for-WordPress