don't start l-s until config is valid

lib/app.js

@@ -2,13 +2,12 @@ const fs = require('fs')
 const http = require('http')
 const https = require('https')
 const express = require('express')
-const loop = require('reoccur')
 const argv = require('minimist')(process.argv.slice(2))
 
 const routes = require('./routes')
 const logger = require('./logger')
 const poller = require('./poller')
-
+const verifySchema = require('./verify-schema')
 const settingsLoader = require('./settings-loader')
 const options = require('./options')
 
@@ -16,23 +15,27 @@ const devMode = argv.dev || argv.http || options.http
 
 function run () {
   let count = 0
-  return loop((recur, resolve, reject) => {
-    return runOnce()
-    .then(resolve)
-    .catch(err => {
-      count += 1
-      logger.debug(err)
-      logger.debug('[%d] Retrying in 10s...', count)
-      setTimeout(recur, 10000)
-    })
-  })
+
+  const errorHandler = err => {
+    count += 1
+    logger.error(err)
+    logger.error('[%d] Retrying in 10s...', count)
+  }
+
+  const runner = () => runOnce()
+  .then(() => clearInterval(handler))
+  .catch(errorHandler)
+
+  const handler = setInterval(runner, 10000)
+  return runner()
 }
 
 function runOnce () {
   const app = express()
   const localApp = express()
 
-  return settingsLoader.loadLatest()
+  return verifySchema.valid()
+  .then(() => settingsLoader.loadLatest())
   .then(settings => {
     poller.start(settings)