move all static methods from YarnUtils to HoyaUtils; delete YarnUtils
rename test to its full action
force off all memory checks in example YARN cluster
pretty print JSON Cluster descriptions when saving to file ( makes it more readable when browsing HDFS)
rename dump(ClusterDescription) to dumpClusterDescription. stops IDE auto-complete from getting confused
add exit code 58: launched master process failed
rename actionFlex to flex prior to the actionFlex switching to support more changes (i.e. all roleopts)
# role options get merged with provider generated options (& tests)
# env.* role options converted to env variables (&tests)
# tests to verify propagation to AM works
an incomplete attempt to recognise when hbase master (or equiv) fails and convert that into a failure message in YARN