Added code to create roles using ruby (*.rb) files.
Changed the order of hive and mapred roles for bcpc-vm2
Fixed ruby role issue that was causing build failure due to ruby roles not found
Merge pull request #165 from bijugs/set_role_order

Changed the order of hive and mapred roles for bcpc-vm2
Fixed escaping $ sign
Merge pull request #164 from amithkanand/ruby_roles

Added code to create roles using ruby (*.rb) files.
Additions/Modifications for Kafka installation

New roles and Cookbook for Kafka
Fixed version numbers
Fixed role names to include Head word
Merge pull request #170 from amithkanand/kafka_additions

Additions/Modifications for Kafka installation