[streaming] Excluded unused recursively pulled dependencies

Conflicts:
	flink-addons/flink-streaming/flink-streaming-connectors/pom.xml

[streaming] Connectors POM formatting fix
[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