Do not immedately error if app still redirects

cloudron.js

@@ -135,6 +135,10 @@ Cloudron.prototype.waitForApp = function (appId, version) {
         sleep(30);
         process.stdout.write('.');
         res = request.get(this._origin + '/api/v1/apps/'+ appId).query({ access_token: this._credentials.accessToken }).end();
+
+        // if app still redirects, wait a bit
+        if (res.statusCode === 307) continue;
+
         common.verifyResponse2xx(res, 'Could not query app status');
 
         if (res.body.installationState === 'installed' && res.body.runState === 'running' && res.body.health === 'healthy') {