Server validates that queries include database + rp (#1219)

* Server validates that queries include database + rp

* Update CHANGELOG

CHANGELOG.md

@@ -21,6 +21,7 @@
   1. [#1195](https://github.com/influxdata/chronograf/issues/1195): Chronograf was not redirecting with authentiation for Influx Enterprise Meta service
   1. [#1095](https://github.com/influxdata/chronograf/pull/1095): Make logout button display again
   1. [#1209](https://github.com/influxdata/chronograf/pull/1209): HipChat Kapacitor config now uses only the subdomain instead of asking for the entire HipChat URL.
+  1. [#1219](https://github.com/influxdata/chronograf/pull/1219): Update query for default cell in new dashboard
 
 ### Features
   1. [#1112](https://github.com/influxdata/chronograf/pull/1112): Add ability to delete a dashboard

ui/src/dashboards/constants/index.js

@@ -24,7 +24,7 @@ export const NEW_DASHBOARD = {
       type: 'line',
       queries: [
         {
-          query: "SELECT mean(\"usage_user\") AS \"usage_user\" FROM \"cpu\"",
+          query: "SELECT mean(\"usage_user\") AS \"usage_user\" FROM \"telegraf\".\"autogen\".\"cpu\"",
           label: "",
           groupbys: [],
           wheres: [],