Fixed typo in plugin name, edited README, updated stable tag to version 1.3

git-svn-id: http://plugins.svn.wordpress.org/daily-moon-forecast/trunk@759430 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme, made compatible with WP 3.6, fixed typo in changelog

git-svn-id: http://plugins.svn.wordpress.org/daily-moon-forecast/trunk@759431 b8457f37-d9ea-0310-8a92-e5e31aec5664
minified css