diff --git a/app.js b/app.js
index 293a5bf25e..1511491e06 100644
--- a/app.js
+++ b/app.js
@@ -92,4 +92,6 @@ app.use(function (err, req, res, next) {
     res.render('error');
 });
 
+require('./services/sync');
+
 module.exports = app;
\ No newline at end of file
diff --git a/routes/api/audit.js b/routes/api/audit.js
index 7552cd50b7..f05b467620 100644
--- a/routes/api/audit.js
+++ b/routes/api/audit.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const sql = require('../../services/sql');
diff --git a/routes/api/migration.js b/routes/api/migration.js
index a339674150..ee88f9a975 100644
--- a/routes/api/migration.js
+++ b/routes/api/migration.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const auth = require('../../services/auth');
diff --git a/routes/api/note_history.js b/routes/api/note_history.js
index 99244ba762..b4a34b644c 100644
--- a/routes/api/note_history.js
+++ b/routes/api/note_history.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const sql = require('../../services/sql');
diff --git a/routes/api/notes.js b/routes/api/notes.js
index 7374fefb27..5e548c88eb 100644
--- a/routes/api/notes.js
+++ b/routes/api/notes.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const sql = require('../../services/sql');
diff --git a/routes/api/notes_move.js b/routes/api/notes_move.js
index 1912607fdc..bf540a12fb 100644
--- a/routes/api/notes_move.js
+++ b/routes/api/notes_move.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const sql = require('../../services/sql');
diff --git a/routes/api/password.js b/routes/api/password.js
index c66f8778cb..6bddb114ae 100644
--- a/routes/api/password.js
+++ b/routes/api/password.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const sql = require('../../services/sql');
diff --git a/routes/api/recent_changes.js b/routes/api/recent_changes.js
index f7b02cc074..79375f2105 100644
--- a/routes/api/recent_changes.js
+++ b/routes/api/recent_changes.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const sql = require('../../services/sql');
diff --git a/routes/api/settings.js b/routes/api/settings.js
index 19d6c6bea4..2c9af06545 100644
--- a/routes/api/settings.js
+++ b/routes/api/settings.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const sql = require('../../services/sql');
diff --git a/routes/api/tree.js b/routes/api/tree.js
index 85cae7e015..5e5508663e 100644
--- a/routes/api/tree.js
+++ b/routes/api/tree.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const sql = require('../../services/sql');
diff --git a/routes/index.js b/routes/index.js
index 92fa77f9ab..daab5ce076 100644
--- a/routes/index.js
+++ b/routes/index.js
@@ -1,9 +1,11 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const auth = require('../services/auth');
 
 router.get('', auth.checkAuth, (req, res, next) => {
-  res.render('index', {});
+    res.render('index', {});
 });
 
 module.exports = router;
diff --git a/routes/login.js b/routes/login.js
index 4625ac3d9f..e1ca605d00 100644
--- a/routes/login.js
+++ b/routes/login.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const utils = require('../services/utils');
diff --git a/routes/logout.js b/routes/logout.js
index bc1b73700c..c93b98a93b 100644
--- a/routes/logout.js
+++ b/routes/logout.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 
diff --git a/routes/migration.js b/routes/migration.js
index 8edb82481d..60acbc7088 100644
--- a/routes/migration.js
+++ b/routes/migration.js
@@ -1,9 +1,11 @@
+"use strict";
+
 const express = require('express');
 const router = express.Router();
 const auth = require('../services/auth');
 
 router.get('', auth.checkAuth, (req, res, next) => {
-  res.render('migration', {});
+    res.render('migration', {});
 });
 
 module.exports = router;
diff --git a/services/audit_category.js b/services/audit_category.js
index 81f81fa419..5f191f08ca 100644
--- a/services/audit_category.js
+++ b/services/audit_category.js
@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = {
     UPDATE_CONTENT: 'CONTENT',
     UPDATE_TITLE: 'TITLE',
diff --git a/services/auth.js b/services/auth.js
index e0fa34aa71..3371e19bf7 100644
--- a/services/auth.js
+++ b/services/auth.js
@@ -1,3 +1,5 @@
+"use strict";
+
 function checkAuth(req, res, next) {
     if (!req.session.loggedIn) {
         res.redirect("login");
diff --git a/services/backup.js b/services/backup.js
index e78575b2dc..9a93c554b2 100644
--- a/services/backup.js
+++ b/services/backup.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const utils = require('./utils');
 const sql = require('./sql');
 const config = require('./config');
diff --git a/services/change_password.js b/services/change_password.js
index 73188e3848..6eb1e6bc3f 100644
--- a/services/change_password.js
+++ b/services/change_password.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const sql = require('./sql');
 const my_scrypt = require('./my_scrypt');
 const utils = require('./utils');
diff --git a/services/config.js b/services/config.js
index c0ec0e8fd1..ce3c0a99b7 100644
--- a/services/config.js
+++ b/services/config.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const ini = require('ini');
 const fs = require('fs');
 
diff --git a/services/my_scrypt.js b/services/my_scrypt.js
index 520888fd24..83799f5345 100644
--- a/services/my_scrypt.js
+++ b/services/my_scrypt.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const sql = require('./sql');
 const scrypt = require('scrypt');
 
diff --git a/services/sql.js b/services/sql.js
index e61f72e7d4..edd5b1f3d4 100644
--- a/services/sql.js
+++ b/services/sql.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const db = require('sqlite');
 const utils = require('./utils');
 
diff --git a/services/sync.js b/services/sync.js
new file mode 100644
index 0000000000..1ad726f869
--- /dev/null
+++ b/services/sync.js
@@ -0,0 +1,3 @@
+"use strict";
+
+//setInterval();
\ No newline at end of file
diff --git a/services/utils.js b/services/utils.js
index 31f05ff951..1a72cee216 100644
--- a/services/utils.js
+++ b/services/utils.js
@@ -1,3 +1,5 @@
+"use strict";
+
 const crypto = require('crypto');
 
 function randomToken(length) {