Add explicit jets3t dependency, which is excluded in hadoop-client
Change port from 3030 to 4040
Merge pull request #922 from pwendell/port-change

Change default port number from 3030 to 4030.
Merge pull request #919 from mateiz/jets3t

Add explicit jets3t dependency, which is excluded in hadoop-client
Merge remote-tracking branch 'upstream/master'