refactor: Move fetch_data module under src/utils/

src/components/diffviewer.js

@@ -1,7 +1,7 @@
 import React, { Component } from 'react';
 import { Link } from 'react-router-dom';
 
-import * as FetchAPI from '../fetch_data';
+import * as FetchAPI from '../utils/fetch_data';
 import hash from '../utils/hash';
 import { DiffMeta, CoverageMeta } from './diffviewermeta';
 

src/components/diffviewermeta.js

@@ -1,6 +1,6 @@
 import React from 'react';
 
-import * as FetchAPI from '../fetch_data';
+import * as FetchAPI from '../utils/fetch_data';
 
 export const DiffMeta = ({ changeset }) => {
   const hgRev = `${FetchAPI.hgHost}/mozilla-central/rev/${changeset}`;

src/components/summaryviewer.js

@@ -2,7 +2,9 @@ import { Link } from 'react-router-dom';
 import React, { Component } from 'react';
 import ReactInterval from 'react-interval';
 
-import * as FetchAPI from '../fetch_data';
+// XXX: Create module that fetches ccov data + diff data
+import { coverageSummaryText } from './diffviewermeta';
+import * as FetchAPI from '../utils/fetch_data';
 
 const PENDING = 'Pending';