Merge pull request #23 from arpitgupta/master

create a base single and multi cluster class
adding Apache License and excluding resource in pom
remove hdfs usage in runRemoteScript and related RetentionTest fixes
Util.getHadoop(Late)Data refactoring
NewRetryTest infinite loop fixed
Bundle clean up
Merge pull request #25 from rostafiychuk/master

hadoop binary usage in Util.runRemoteScript() removed