merge appdb.js into apps.js

src/sftp.js

@@ -18,6 +18,7 @@ const apps = require('./apps.js'),
     safe = require('safetydance'),
     shell = require('./shell.js'),
     system = require('./system.js'),
+    util = require('util'),
     volumes = require('./volumes.js');
 
 function rebuild(serviceConfig, options, callback) {
@@ -41,7 +42,7 @@ function rebuild(serviceConfig, options, callback) {
 
     dataDirs.push({ hostDir: resolvedAppDataDir, mountDir: '/mnt/appsdata' });
 
-    apps.getAll(async function (error, result) {
+    util.callbackify(apps.list)(async function (error, result) {
         if (error) return callback(error);
 
         result.forEach(function (app) {