code refactored
code refactored; hdfs paths are unchanged.
code refactored; hdfs paths are still unchanged, delay added and commented out in @BeforeMethod
code refactored; hdfs paths are unchanged.
Merge pull request #20 from pisaychuk/master

code refactored
Merge pull request #21 from rostafiychuk/master

Removed the usage of Util.runRemoteScript method with oozie binary and related refactoring