[streaming] Forward connection type added to DataStream to support inmemory forwarding of tuples
[streaming] Iteration update to use proper partitioning and forward connection + DataStream refactor and Javadoc update
[streaming] Enforced the ASF2 license in POMs
[streaming] added writeAsText and Csv
[streaming] Package refactor & cleanup
Merge branch 'master' of https://github.com/apache/incubator-flink into streaming-ready