Features, tags updated and Screenshots added


git-svn-id: https://plugins.svn.wordpress.org/zoho-livedesk/trunk@791331 b8457f37-d9ea-0310-8a92-e5e31aec5664
Screenshots added


git-svn-id: https://plugins.svn.wordpress.org/zoho-livedesk/trunk@794832 b8457f37-d9ea-0310-8a92-e5e31aec5664