upgrade version into 1.4.7

git-svn-id: https://plugins.svn.wordpress.org/jabze-chat/trunk@864614 b8457f37-d9ea-0310-8a92-e5e31aec5664
add more files

git-svn-id: https://plugins.svn.wordpress.org/jabze-chat/trunk@864615 b8457f37-d9ea-0310-8a92-e5e31aec5664
switch into ssl

git-svn-id: https://plugins.svn.wordpress.org/jabze-chat/trunk@864640 b8457f37-d9ea-0310-8a92-e5e31aec5664
add more screenshot

git-svn-id: https://plugins.svn.wordpress.org/jabze-chat/trunk@868445 b8457f37-d9ea-0310-8a92-e5e31aec5664