* Added settings page to allow disabing of button in Visual Editor (TinyMCE)
* Added the `truncate_excerpt` parameter to the shortcode, defaults to `true` but setting to `false` stops 

custom excerpts from being shortened (where no custom excerpt exists, page content will still be truncated)

git-svn-id: https://plugins.svn.wordpress.org/cc-child-pages/trunk@1043572 b8457f37-d9ea-0310-8a92-e5e31aec5664