fix(package): add rxjs-compat and rxjs-tslint to support the upgrade of rxjs

Author: joshuawilson

package.json

@@ -175,6 +175,8 @@
     "rimraf": "2.6.2",
     "run-sequence": "2.2.1",
     "rxjs": "6.2.2",
+    "rxjs-compat": "6.2.1",
+    "rxjs-tslint": "0.1.5",
     "script-ext-html-webpack-plugin": "2.0.1",
     "semantic-release": "15.8.1",
     "source-map-loader": "0.2.3",