cleanup
also check status for killed
removing restriction on number of clusters
Merge pull request #131 from rostafiychuk/hcatfix

hdfs paths in HCatProcessTest fix
Merge pull request #130 from raghavgautam/master

some cleanup and addressing pending review comment
adding hcat process test with two hcat inputs and one hcat output
Merge pull request #132 from raghavgautam/master

adding hcat process test with two hcat inputs and one hcat output