fix(core): update

package.json

@@ -26,10 +26,9 @@
     "@pushrocks/smarthash": "^2.0.6",
     "@pushrocks/smartlog": "^2.0.21",
     "@pushrocks/smartpromise": "^3.0.6",
-    "@types/shortid": "0.0.29",
+    "@pushrocks/smartunique": "^3.0.1",
     "@types/socket.io": "^2.1.4",
     "@types/socket.io-client": "^1.4.32",
-    "shortid": "^2.2.15",
     "socket.io": "^2.3.0",
     "socket.io-client": "^2.3.0"
   },