Hortonworks' repo is only 64-bit
Add explict matches for *BCPC-Hadoop-Head* and *BCPC-Hadoop-Worker* in the cluster-assign-roles hadoop_install method
Allow multiple users to admin bootstrap node
Changes for Zookeeper jira ZOOKEEPER-1948
Merge pull request #301 from bijugs/zookeeper_1948

Changes to Zookeeper start-up script
Merge pull request #273 from cbaenziger/master

Small Fixes
Merge pull request #285 from cbaenziger/admin_users

Allow multiple users to admin bootstrap node
Change to make zookeeper ruby gem available on hadoop worker nodes
Changes to perform rolling restart of datanodes