committing v2.5

git-svn-id: https://plugins.svn.wordpress.org/simple-download-monitor/trunk@861367 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme file update

git-svn-id: https://plugins.svn.wordpress.org/simple-download-monitor/trunk@861370 b8457f37-d9ea-0310-8a92-e5e31aec5664
added changelog to readme file.

git-svn-id: https://plugins.svn.wordpress.org/simple-download-monitor/trunk@861950 b8457f37-d9ea-0310-8a92-e5e31aec5664