add check-tls command to cbapi-response

Author: jgarman

bin/cbapi-response

@@ -93,11 +93,21 @@ def configure(opts):
     print("Successfully wrote credentials to {0}.".format(credential_file))
 
 
+def check_tls(opts):
+    print("Newest TLS version supported by this install is: {0}.".format(check_python_tls_compatibility()))
+
+
 command_map = {
     "configure": {
         "extra_args": {},
         "help": "Configure CbAPI",
         "method": configure
+    },
+    "check-tls": {
+        "extra_args": {},
+        "help": "Return the latest version of TLS supported by this version of Python and OpenSSL. "
+            "Cb Response versions 6.1+ now require TLSv1.2 support.",
+        "method": check_tls
     }
 }