database replication between stacks
added yamllint.com
custom conf patch update
symlink update
whenever update
Merge branch 'feature/replication_between_stacks' into develop

Conflicts:
	_posts/stack-features/2012-01-02-database-replication-between-stacks.md
no change in mysql username/pass after inter stack replication
Slave_addresses appended to environment var
Merge branch 'develop' of github.com:cloud66/help