chore(package): update tslint-config-standard to version 6.0.0 (#354)

Author: greenkeeper[bot]

package.json

@@ -58,7 +58,7 @@
     "rimraf": "^2.5.4",
     "semver": "^5.1.0",
     "tslint": "^5.0.0",
-    "tslint-config-standard": "^5.0.1",
+    "tslint-config-standard": "^6.0.0",
     "typescript": "^2.1.4",
     "typings": "^2.0.0"
   },