Fix undefined info error and accept HTTP 201 response code (#2643)

Prevent referenced before assignment error when `notify` argument is not specified and accept HTTP 201 (created) code.

lib/ansible/modules/extras/notification/campfire.py

@@ -117,14 +117,14 @@ def main():
     # Send some audible notification if requested
     if notify:
         response, info = fetch_url(module, target_url, data=NSTR % cgi.escape(notify), headers=headers)
-    if info['status'] != 200:
-        module.fail_json(msg="unable to send msg: '%s', campfire api"
-                            " returned error code: '%s'" %
-                             (notify, info['status']))
+        if info['status'] not in [200, 201]:
+            module.fail_json(msg="unable to send msg: '%s', campfire api"
+                                " returned error code: '%s'" %
+                                 (notify, info['status']))
 
     # Send the message
     response, info = fetch_url(module, target_url, data=MSTR %cgi.escape(msg), headers=headers)
-    if info['status'] != 200:
+    if info['status'] not in [200, 201]:
         module.fail_json(msg="unable to send msg: '%s', campfire api"
                             " returned error code: '%s'" %
                              (msg, info['status']))