Upgraded to sailor 2.1.0

Author: zubairov

package.json

@@ -30,7 +30,7 @@
     "co": "^4.6.0",
     "debug": "^2.4.4",
     "elasticio-node": "0.0.5",
-    "elasticio-sailor-nodejs": "2.0.0",
+    "elasticio-sailor-nodejs": "2.1.0",
     "request": "^2.75.0",
     "request-promise": "^4.1.1"
   },