Did changes in readme.txt

git-svn-id: https://plugins.svn.wordpress.org/hb-audio-gallery-lite/trunk@757522 b8457f37-d9ea-0310-8a92-e5e31aec5664
Did changes in readme.txt

git-svn-id: https://plugins.svn.wordpress.org/hb-audio-gallery-lite/trunk@757524 b8457f37-d9ea-0310-8a92-e5e31aec5664