Initial Bento on Docker prototype
Fix shutdown, add bento options
Make the containers hostname the bento name
rename host command to hostname
add hosts file updating as separate script
Better hosts file support. start/stop working
rename prepend to update-hosts; add yarn-site to client confs
fix MR classpaths; add create-hadoop-user script
Add directions for increasing RAM for boot2docker.
improve logging
Use docker hub image
Fix history server configuration
add pull command, rename update-hosts to update-bento-hosts
Update README.md
CLUSTER-44. Correctly identify the docker binary on Ubuntu machines.

issue: https://jira.kiji.org/browse/CLUSTER-44
review: https://review.kiji.org/r/2109
Add full path to hadoop command in hdfs-init
Ensure bento script requires Docker 1.0.0 or higher.
CLUSTER-49. CDH5 bento cluster shouldn't require sudo on linux machines

issue: https://jira.kiji.org/browse/CLUSTER-49
review: https://review.kiji.org/r/2115
CLUSTER-50. Have the script print out some useful information on startup.

Print some useful URLs when starting.

Review: https://review.kiji.org/r/2113/
Reviewer: dan
CLUSTER-47. Configure where to write client configuration files.

issue: https://jira.kiji.org/browse/CLUSTER-47
review: https://review.kiji.org/r/2114