Add a lint command to perform fixes (#634)

* Update third party notices for mongodb-extended-json.

* Add lint-fix command

package.json

@@ -790,6 +790,7 @@
 		"build": "tsc -p ./",
 		"compile": "tsc -watch -p ./",
 		"lint": "tslint --project tsconfig.json -t verbose",
+		"lint-fix": "tslint --project tsconfig.json -t verbose --fix",
 		"postinstall": "node ./node_modules/vscode/bin/install",
 		"test": "node ./node_modules/vscode/bin/test",
 		"antlr4ts": "antlr4ts -visitor ./grammar/mongo.g4 -o ./src/mongo/grammar"