Modify event_handler to let it execute lib/event_handler.rb.
Lazy evaluate definition attribute in backup_model resource to use directories that deployed in same chef-solo
Ignore warning that remove or update files while archiving
Merge branch 'feature/support-optional-patterns' into test/temporary-latest

Conflicts:
	event_handler.sh
	lib/event_handler.rb
Integrate web/ap/db server to single instance for demo
Allow clustering connection from serf/consul
fix logic to set default server in web deploy