COMPASS-308: Bump data service to handle ismaster on mongos (#576)

Author: durran

package.json

@@ -125,7 +125,7 @@
     "mongodb": "^2.2.8",
     "mongodb-collection-model": "^0.3.0",
     "mongodb-connection-model": "^6.3.1",
-    "mongodb-data-service": "^2.0.1",
+    "mongodb-data-service": "^2.0.2",
     "mongodb-database-model": "^0.1.2",
     "mongodb-explain-plan-model": "^0.2.1",
     "mongodb-extended-json": "^1.7.0",