[FLINK-1139] Added FinalizeOnMaster hook to run code after the last task of an OutputFormat completed
[FLINK-1139] Fixed HadoopOutputFormat to run with DOP > 1

This closes #173
[FLINK-1139] Updated Hadoop Compatibility documentation
[FLINK-1311] [optimizer] Correctly tag static/dynamic path for auxiliary nodes in iterations.
[FLINK-1161] [streaming] Streaming API type handling rework to support java 8 lambdas
[FLINK-1312] [streaming] OutputSelector changed to SAM-type to allow java 8 lambdas for splitting
[streaming] Java 8 WordCount example added for streaming

[streaming] Documentation added for streaming java 8 support
Updated java 8 package to match flink-examples standards

Renamed org.apache.flink.example package to org.apache.flink.examples
Default data is provided from flink-java examples