chore(package): update redis to version 3.0.2

Closes #6

Author: greenkeeper[bot]

package.json

@@ -44,6 +44,6 @@
     "istanbul": "~0.4.5",
     "mocha": "~3.1.2",
     "pre-commit": "~1.2.0",
-    "redis": "~2.6.3"
+    "redis": "~3.0.2"
   }
 }