Make app repair itself if broken

app/gabsocial/actions/auth.js

@@ -17,7 +17,7 @@ const noOp = () => () => new Promise(f => f());
 function initAuthApp() {
   return (dispatch, getState) => {
     const hasToken = hasAppToken(getState);
-    const action   = hasToken ? noOp : createAppAndToken;
+    const action   = hasToken ? verifyApp : createAppAndToken;
     return dispatch(action())
       .catch(error => {
         dispatch(showAlertForError(error));
@@ -65,6 +65,14 @@ function createAppToken() {
   };
 }
 
+function verifyApp() {
+  return (dispatch, getState) => {
+    return api(getState, 'app').get('/api/v1/apps/verify_credentials')
+      .then (response => dispatch(authAppCreated(response.data)))
+      .catch(error    => dispatch(createAppAndToken()));
+  };
+}
+
 function createUserToken(username, password) {
   return (dispatch, getState) => {
     const app = getState().getIn(['auth', 'app']);