AppScale/appscale — pull request #599 by shatterednirvana (2013-07-12 21:00:10+00:00)
Title: Always starting hadoop, since it can be useful to interact with in user code

Don't merge at this time! Still need to only start Hadoop if the user specifies that role, but this will work when Cassandra is used (if the user always wants HDFS + Hadoop MR).