Bumped date to 20141002
Handle portage user/group bug when using custom root.
Refactored java repo, added jre-oracle and icedtea.
Fixed dns lookups in busybox image.
Fixed awk syntax to be more robust.
Added nginx repo, refactored nginx-php5.5 to use the new repo as base image.
Make header pruning configurable via build-root.sh.
Updated docs.
Keep headers in busybox image.
Updated mysql config to 5.5.
Nginx images log to sdtout now.
Added default elasticsearch logging config.
Added ruby repos.
Centralized container logging via fluentd/es/kibana.
Added some helper scripts for container management.