Fixed user defined embed scaling.

git-svn-id: https://plugins.svn.wordpress.org/vzaar-official-plugin/trunk@865501 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated version number in vzaarAPI.php.

git-svn-id: https://plugins.svn.wordpress.org/vzaar-official-plugin/trunk@865503 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated changelog.

git-svn-id: https://plugins.svn.wordpress.org/vzaar-official-plugin/trunk@865507 b8457f37-d9ea-0310-8a92-e5e31aec5664