Change check of POST response result

This modified the check as `text` has been changed in the Requests API. In order to make the code compatible with the JSON result, we check `resp.status_code` instead.

Author: TRBlount

ci/post/forum.py

@@ -40,7 +40,7 @@ def create_post(self, title, content, board):
             "body": content
         })
 
-        if resp.text != "OK":
+        if resp.status_code != 200:
             print("Post failed! Response: %s" %resp.text)
 
         return resp.json()