check to make sure certificate file uploaded is really a certificate file

git-svn-id: https://plugins.svn.wordpress.org/wp-identity/trunk@941949 b8457f37-d9ea-0310-8a92-e5e31aec5664
static method call generates E_STRICT warning

git-svn-id: https://plugins.svn.wordpress.org/wp-identity/trunk@941950 b8457f37-d9ea-0310-8a92-e5e31aec5664
handle reset properly

git-svn-id: https://plugins.svn.wordpress.org/wp-identity/trunk@941951 b8457f37-d9ea-0310-8a92-e5e31aec5664
file mode changes

git-svn-id: https://plugins.svn.wordpress.org/wp-identity/trunk@941952 b8457f37-d9ea-0310-8a92-e5e31aec5664
removing un-necessary file(s)

git-svn-id: https://plugins.svn.wordpress.org/wp-identity/trunk@941953 b8457f37-d9ea-0310-8a92-e5e31aec5664
remove curl dependency

git-svn-id: https://plugins.svn.wordpress.org/wp-identity/trunk@941954 b8457f37-d9ea-0310-8a92-e5e31aec5664
results contain the type of response

git-svn-id: https://plugins.svn.wordpress.org/wp-identity/trunk@941955 b8457f37-d9ea-0310-8a92-e5e31aec5664
bump version

git-svn-id: https://plugins.svn.wordpress.org/wp-identity/trunk@941956 b8457f37-d9ea-0310-8a92-e5e31aec5664