update arrays.json.example, eliminate redundant json echo method, add gearman worker controller for development, refactor gearmand_model::workers(), remove graphs var from masters refresh, include master_id in workers_model::fetch, mash worker data retrieved from gearmand with supervisor data, recipe to install example configs in vagrant, force gearmand to listen on ipv4, update worker controller so it doesnt collide with GearmanWorker class