Released v2.0.40

git-svn-id: https://plugins.svn.wordpress.org/nextgen-gallery/trunk@810906 b8457f37-d9ea-0310-8a92-e5e31aec5664
Adjusted minimum requirements

git-svn-id: https://plugins.svn.wordpress.org/nextgen-gallery/trunk@810907 b8457f37-d9ea-0310-8a92-e5e31aec5664