Included Screenshots and increased the width of textarea.

git-svn-id: https://plugins.svn.wordpress.org/html-parser/trunk@864751 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme.txt changes

git-svn-id: https://plugins.svn.wordpress.org/html-parser/trunk@865661 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added author URI

git-svn-id: https://plugins.svn.wordpress.org/html-parser/trunk@865905 b8457f37-d9ea-0310-8a92-e5e31aec5664