Update shortid

Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>

Author: SISheogorath

package.json

@@ -114,7 +114,7 @@
     "select2": "^3.5.2-browserify",
     "sequelize": "^3.28.0",
     "sequelize-cli": "^2.5.1",
-    "shortid": "2.2.6",
+    "shortid": "2.2.8",
     "socket.io": "~2.0.4",
     "socket.io-client": "~2.0.4",
     "spin.js": "^2.3.2",