Small fixes
Add principals that secure hadoop clusters now need on Hadoop 2.4
Merge branch 'develop' of github.com:hortonworks/hoya into develop
config options for working Hadoop-2.4.0 snapshot
Merge remote-tracking branch 'hortonworks/develop' into feature/BUG-9402-AM-Restart
fix cluster name to == hoya app name
Merge branch 'develop' into feature/BUG-9402-AM-Restart