Update to get a basic HDP cluster running in BB environment
Update to create a HDFS-NoHA role
Update .gitignore to make it more restrictive in what it ignore (mostly cookbooks and log files) and also  updated base.rb to set the apt repository for Hortonworks to be main and commented out the arch
Added JAVA_HOME to hdp_hadoop-env.sh - this wasn't required for CDH as CDH uses BigTop Java HOME autodetect but HDP requires this
Latest commit of Hadoop Head HDFS No HA that is working with a vagrant build
Removed the swap file for libraries/utils.rb
First cut of merge with Gopi's changes as well as Vivek's changes on hadoop_dev_vivek branch - more to come