Clean up XML a bit.
<Appenders>
<NoSql name="MongoDbAppender">
<MongoDb databaseName="test" collectionName="applog" server="localhost"
- port="${sys:MongoDBTestPort:-27017}">
- </MongoDb>
+ port="${sys:MongoDBTestPort:-27017}" />
<MessageLayout />
</NoSql>
</Appenders>
