Fix detection for Ubuntu 10 on Core3
typo in test description
Enable testing with test-kitchen on digital ocean
Pinning to an older version of selinux as a result of
https://tickets.opscode.com/browse/COOK-3882
minor whitespace cleanup
#13 update logic around download URL to account for the shift Zenoss did
on sourceforge which now includes a build number only for 4.2.4.