Fixing Gallery Save bug, and fixing extendability bug

git-svn-id: https://plugins.svn.wordpress.org/slideshow-satellite/branches/2.2@870842 b8457f37-d9ea-0310-8a92-e5e31aec5664
Adding new version number 2.2.3

git-svn-id: https://plugins.svn.wordpress.org/slideshow-satellite/branches/2.2@870844 b8457f37-d9ea-0310-8a92-e5e31aec5664
Release 2.2.3 - Fixing gallery bug and extendability bug

git-svn-id: https://plugins.svn.wordpress.org/slideshow-satellite/trunk@870845 b8457f37-d9ea-0310-8a92-e5e31aec5664