Adding first version

git-svn-id: https://plugins.svn.wordpress.org/source-shortcode/trunk@1000677 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version 1.2 with Source and Via shortcode with Editor window button

git-svn-id: https://plugins.svn.wordpress.org/source-shortcode/trunk@1000683 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update Version 1.2

git-svn-id: https://plugins.svn.wordpress.org/source-shortcode/trunk@1000685 b8457f37-d9ea-0310-8a92-e5e31aec5664