Update node modules

package.json

@@ -22,7 +22,7 @@
   },
   "dependencies": {
     "async": "^1.2.1",
-    "bittorrent-tracker": "^6.0.6",
+    "bittorrent-tracker": "^7.0.0",
     "blueimp-file-upload": "^9.10.1",
     "body-parser": "^1.12.4",
     "bootstrap-sass": "^3.3.5",
@@ -54,14 +54,14 @@
     "node-ipc": "^5.0.0",
     "openssl-wrapper": "https://github.com/Chocobozzz/node-openssl-wrapper",
     "request": "^2.57.0",
-    "request-replay": "^0.3.0",
+    "request-replay": "^1.0.2",
     "segfault-handler": "^1.0.0",
     "time-grunt": "^1.2.1",
     "ursa": "^0.9.1",
     "validator": "^4.3.0",
-    "webtorrent": "^0.63.2",
+    "webtorrent": "^0.70.0",
     "winston": "^2.1.1",
-    "ws": "^0.8.0"
+    "ws": "^1.0.0"
   },
   "devDependencies": {
     "chai": "^3.3.0",