Merge pull request #175 from raghavgautam/master

adding logging
use correct var
Merge pull request #176 from arpitgupta/working

use correct var
add check for NPE
add log to print which oozie we are connecting to
fix message
use defaultTimeOut
address feedback
fix formatting
Merge pull request #177 from arpitgupta/working

Add logs to oozie util, handle npe
fixing NPE