chore(package): update tslint-config-standard to version 9.0.0

Closes #22

Author: greenkeeper[bot]

package.json

@@ -118,7 +118,7 @@
     "ts-node": "^4.1.0",
     "tslint": "^5.8.0",
     "tslint-config-prettier": "^1.1.0",
-    "tslint-config-standard": "^7.0.0",
+    "tslint-config-standard": "^9.0.0",
     "typedoc": "^0.9.0",
     "typescript": "^2.6.2",
     "validate-commit-msg": "^2.12.2"