EnumSet instead of multiple checks
Merge pull request #342 from rostafiychuk/enumset

EnumSet instead of multiple checks
Merge pull request #344 from pisaychuk/master

time reduced from 24 to 8 min
core-site.xml from hive-exec test interferes with configuration
Merge pull request #346 from raghavgautam/master

urgent fix
hardcoded colos removed