specify spec search pattern to include master and worker tests
use require_relative so that it can be run outside of worker dir
update tests for environment hash passed to plugins.  overdue
not used
COOPR-607: Tweak usage api
COOPR-607: rename Timeunit to TimeUnit
Merge remote-tracking branch 'upstream/develop' into coopr-607
COOPR-607: added java TimeUnit usage
COOPR-607: delete unnecesarry methods
COOPR-605: added filter for HelpCommand depending on userId and tenantId
COOPR-605: refactored code
COOPR-607: update PR
COOPR-605: addressed PR comments
COOPR-605: refactored code according to changes in common cli
Merge remote-tracking branch 'upstream/develop' into coopr-607
COOPR-607: update PR
COOPR-607: update Constant name due to changes in cdap-common
COOPR-607: update netty-http version
Merge pull request #781 from cybervisiontech/coopr-607

Coopr 607: Tweak usage api
COOPR-605: delete unnecessary line due to changes to common-cli