Update bunyan dependency

Author: simonkotwicz

package.json

@@ -1,11 +1,15 @@
 {
   "name": "logmet-client",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "Library for sending data to and querying data from Logmet",
   "author": "Fabio A. Oliveira <[email protected]>",
   "license": "Apache-2.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/IBM/logmet-client-njs"
+  },
   "dependencies": {
-  	"bunyan": "1.8.0"
+  	"bunyan": "^1.8.9"
   },
   "main": "index.js"
 }