Add a dfs.datanode.du.reserved of 1GB to each datanode
Clean-up MySQL recipe status checking
Fix HIVE_CONF_DIR typo with Test-Laptop
Configuration changes for logging and local dir specification in yarn-site and core-site (as well as directory creation)
Fix races between package installation and (re)starting services
Use LinuxContainerExecutor
Add yarn nodemanager hostname property
Logging changes to support log aggregation and history server operation
Move YARN container-executor bits to after we have a yarn group available