moved contact methods metabox to adv settings page

git-svn-id: https://plugins.svn.wordpress.org/nextgen-facebook/trunk@777834 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme update

git-svn-id: https://plugins.svn.wordpress.org/nextgen-facebook/trunk@777836 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated version str

git-svn-id: https://plugins.svn.wordpress.org/nextgen-facebook/trunk@777837 b8457f37-d9ea-0310-8a92-e5e31aec5664