fix some eslint errors

Author: hawkrives

lib/courses.js

@@ -1,9 +1,7 @@
 // @flow
 import {
-    api,
-    loadLoginCredentials,
-    sisLogin,
-    isLoggedIn,
+  api,
+  isLoggedIn,
 } from '../lib/login'
 import { AsyncStorage, NetInfo } from 'react-native'
 

lib/financials.js

@@ -1,9 +1,8 @@
 // @flow
 import {
-    api,
-    loadLoginCredentials,
-    sisLogin,
-    isLoggedIn,
+  api,
+  loadLoginCredentials,
+  isLoggedIn,
 } from '../lib/login'
 import { AsyncStorage, NetInfo } from 'react-native'
 
@@ -87,6 +86,7 @@ async function getFinancialDataFromServer(): Promise<FinancialDataShapeType> {
 }
 
 
+// TODO: come up with a better story around auth for olecard
 export default async function getWeeklyMealsRemaining() {
   let {username, password} = await loadLoginCredentials()
   let form = buildFormData({

views/settings/login.js

@@ -9,6 +9,7 @@ import {
   View,
   Text,
   AsyncStorage,
+  Navigator,
 } from 'react-native'
 import startsWith from 'lodash/startsWith'
 
@@ -23,6 +24,7 @@ const AUTH_REJECTED_URL = 'https://www.stolaf.edu/sis/login.cfm?error=access_den
 
 export default class SISLoginView extends React.Component {
   static propTypes = {
+    navigator: React.PropTypes.instanceOf(Navigator),
     onLoginComplete: React.PropTypes.func,
   };