Merge pull request #66 from metamx/queryservlet-alert-remote-addr

QueryServlet: Add "host" (remote address) to alerts

client/src/main/java/com/metamx/druid/http/QueryServlet.java

@@ -148,6 +148,7 @@ public class QueryServlet extends HttpServlet
               ImmutableMap.<String, Object>builder()
                           .put("exception", e.toString())
                           .put("query", queryString)
+                          .put("host", req.getRemoteAddr())
                           .build()
           )
       );