mongodb/mongo-hadoop — pull request #93 by visualzhou (2014-01-21 21:17:16+00:00)
Title: HADOOP-109 Fix multi-collection input example.

Splitter classes other than `MultiMongoCollectionSplitter ` could be given for inputs, but [HADOOP-110](https://jira.mongodb.org/browse/HADOOP-110) prevents us from doing that. So we use `null` to let Hadoop-Connector decide.