Reorder HttpMethods to match RestSharp

src/NzbDrone.Common/Http/HttpMethod.cs

@@ -1,13 +1,14 @@
-namespace NzbDrone.Common.Http
+namespace NzbDrone.Common.Http
 {
     public enum HttpMethod
     {
         GET,
-        PUT,
         POST,
-        HEAD,
+        PUT,
         DELETE,
+        HEAD,
+        OPTIONS,
         PATCH,
-        OPTIONS
+        MERGE
     }
 }