update readme

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@866826 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@866828 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme_2

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@866832 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme_3

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@866950 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme_4

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@866955 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme_5

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@866959 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme_6

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@867017 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme_7

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@867022 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme_8

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@868408 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme_9

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@868412 b8457f37-d9ea-0310-8a92-e5e31aec5664