Enable vagrant-hostmanager plugin.
Increase memory on master to prevent JVM OOM.
Update Accumulo service handlers.
Remove 127.0.1.1 from all hosts when in development mode

See: https://github.com/mitchellh/vagrant/issues/3271
Get rid of dfs.datanode.synconclose warnings.
Fix init.d script startup ordering.
Increase worker VM memory to prevent JVM OOM errors.
Set vm.swappiness = 0
Increase ulimits across the board.
Merge pull request #2 from hectcastro/feature/dev-env

Fix issues with Accumulo and Hadoop Namenode startup order