Fix various bugs, update version numbers

git-svn-id: https://plugins.svn.wordpress.org/advanced-custom-fields-link-picker-field/trunk@966894 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update contributor username so links to correct profile on WP plugin repo

git-svn-id: https://plugins.svn.wordpress.org/advanced-custom-fields-link-picker-field/trunk@966895 b8457f37-d9ea-0310-8a92-e5e31aec5664