Better POST handling in page-editor.php and the save method in the class now has UPDATE functionality

git-svn-id: https://plugins.svn.wordpress.org/gwolle-gb/trunk@1026872 b8457f37-d9ea-0310-8a92-e5e31aec5664
cleanup admin/do-saveEntry.php

git-svn-id: https://plugins.svn.wordpress.org/gwolle-gb/trunk@1026873 b8457f37-d9ea-0310-8a92-e5e31aec5664