Fixes #8

Corrected the incorrect instruction that API key is not required.

Also fixed it is a `POST` method because that was blantently incorrect.

I removed the `JSONP` field because I am not sure what the correct
answer is, so removing for now.

docs/post_service_request.md

@@ -5,10 +5,9 @@ Create a service request in the City's database. Once a service request has been
 | Resource Information | |
 |----------------------|----------------------|
 | Method Name | Post Service Request |
-| Requires API key? | No  |
+| Requires API key? | Yes |
 | Response Formats | JSON, XML |
-| HTTP Methods | GET |
-| JSONP | POST |
+| HTTP Methods | POST |
 
 ## Arguments