migrated to SourceImage
fixed daemon environment configuration
set jvm heap size via env
elasticsearch.yml: removed unused zen.multicast.enabled option
elasticsearch.yml: sort datacenter list to avoid config file changes
elasticsearch.yml: disable marvel agent if no export hosts provided
logging.yml: enable recovery debug log
setup.py: depend on dominator 3.x, fixed homepage url
use set comprehension instead of set([...])
run.sh: removed DAEMON var
Merge pull request #1 from nikicat/master

migrated to dominator 3.x, some fixes