Wording of cURL error

git-svn-id: http://plugins.svn.wordpress.org/copify/trunk@882191 b8457f37-d9ea-0310-8a92-e5e31aec5664
Minor version change

git-svn-id: http://plugins.svn.wordpress.org/copify/trunk@882196 b8457f37-d9ea-0310-8a92-e5e31aec5664
Terminology changes, checking for 3.9

git-svn-id: http://plugins.svn.wordpress.org/copify/trunk@896055 b8457f37-d9ea-0310-8a92-e5e31aec5664