Make changes to the README.txt file and updated the version. 

git-svn-id: https://plugins.svn.wordpress.org/wp-twitter-feeds/trunk@962085 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated the version of the plugin index file

git-svn-id: https://plugins.svn.wordpress.org/wp-twitter-feeds/trunk@962087 b8457f37-d9ea-0310-8a92-e5e31aec5664