Give new shortcode information.

git-svn-id: http://plugins.svn.wordpress.org/daily-moon-forecast/trunk@792609 b8457f37-d9ea-0310-8a92-e5e31aec5664
bumped version to 1.3.4.1

git-svn-id: http://plugins.svn.wordpress.org/daily-moon-forecast/trunk@792610 b8457f37-d9ea-0310-8a92-e5e31aec5664
fixing merge conflict, bumped version to 1.3.6
Added details to changelog.