Make the menus fetcher use the new GH_PAGES_URL

Turns out we were already templating somewhere, so I guess this works well.

Author: rye

source/views/menus/menu-github.js

@@ -20,9 +20,9 @@ import {upgradeMenuItem, upgradeStation} from './lib/process-menu-shorthands'
 import {data as fallbackMenu} from '../../../docs/pause-menu.json'
 import {tracker} from '../../analytics'
 import bugsnag from '../../bugsnag'
-const CENTRAL_TZ = 'America/Winnipeg'
+import {GH_PAGES_URL} from '../../globals'
 
-const githubMenuBaseUrl = 'https://stodevx.github.io/AAO-React-Native'
+const CENTRAL_TZ = 'America/Winnipeg'
 
 type Props = TopLevelViewPropsType & {
   name: string,
@@ -59,7 +59,7 @@ export class GitHubHostedMenu extends React.PureComponent<Props, State> {
     let stationMenus: StationMenuType[] = []
     let corIcons: MasterCorIconMapType = {}
     try {
-      let container = await fetchJson(`${githubMenuBaseUrl}/pause-menu.json`)
+      let container = await fetchJson(GH_PAGES_URL('pause-menu.json'))
       let data = container.data
       foodItems = data.foodItems || []
       stationMenus = data.stationMenus || []