Close to final version.

The DOPAScheduler is executable by itself. It contains a main-method to starts up.
The DOPAClient is although executable but just to show the principles behind the decleration
and connection of the DOPAClient. You can use it as the library as it is. (DOPAClient API)

Please be notice that the submit-process behind the job isn't tested yet. Although the
connection to HDFS i't tested.

Change-Id: I80682f853e1d734c630cf180c1fead5f9c71d354