add socket.io dep

package.json

@@ -35,6 +35,7 @@
     "read": "^1.0.5",
     "request": "^2.53.0",
     "sjcl": "^1.0.2",
+    "socket.io": "^1.3.5",
     "uuid": "*"
   },
   "devDependencies": {
@@ -53,13 +54,10 @@
     "coveralls": "./node_modules/.bin/istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
   "contributors": [{
-      "name": "Ivan Socolsky",
-      "email": "ivan@bitpay.com"
-    },
-
-    {
-      "name": "Matias Alejo Garcia",
-      "email": "ematiu@gmail.com"
-    }
-  ]
+    "name": "Ivan Socolsky",
+    "email": "ivan@bitpay.com"
+  }, {
+    "name": "Matias Alejo Garcia",
+    "email": "ematiu@gmail.com"
+  }]
 }