Import bmhatfield/chef-ulimit version 58887081d5636c9f1a310afab411a4e08dcb9bbe
Import brianbianco/redisio version 4b9991591d7ad134dfbf5abeeb6e806a6f1d9aa8
Merge branch 'chef-vendor-redisio'

Conflicts:
	chef/cookbooks/redisio/attributes/default.rb
	chef/cookbooks/redisio/providers/install.rb
	chef/cookbooks/redisio/recipes/enable.rb
	chef/cookbooks/redisio/templates/default/redis.conf.erb
	chef/cookbooks/redisio/templates/default/redis.init.erb
Move Ruby version configuration out of roles.

One node may have multiple Ruby-using roles, but we're trying to keep
the Ruby environment the same for all those roles.
recruitment_type_id should be an integer.