[HOPSWORKS-868] Remove usages of case node['platform'] to allow RHEL installation (#122)
[HOPSWORKS-868] Remove usages of case node['platform'] to allow RHEL installation (#122)


smkniazi/hops-hadoop-chef,berthoug/hops-hadoop-chef,hopshadoop/hops-hadoop-chef,kouzant/hops-hadoop-chef,hopshadoop/hops-hadoop-chef,berthoug/hops-hadoop-chef,berthoug/hops-hadoop-chef,smkniazi/hops-hadoop-chef,hopshadoop/hops-hadoop-chef,kouzant/hops-hadoop-chef,smkniazi/hops-hadoop-chef,berthoug/hops-hadoop-chef,kouzant/hops-hadoop-chef,kouzant/hops-hadoop-chef,smkniazi/hops-hadoop-chef