Refactor kredits related configuration in arapp.json

we use an environment specific entry for the daoAddress.
Locally we deploy our own, but for rinkeby and other public networks
we use the official entries.
To make deployments easy we store the address in the arapp.json

scripts/deploy-kit.js

@@ -13,9 +13,18 @@ const KreditsKit = artifacts.require('KreditsKit')
 
 const arapp = require('../arapp.json')
 const environment = argv['network'] || argv['environment'] || 'development'
-const apm = arapp.environments[environment].apm || 'open.aragonpm.eth'
-const ensAddr = arapp.environments[environment].registry || process.env.ENS
-const daoFactoryAddress = arapp.environments[environment].daoFactory || process.env.DAO_FACTORY
+
+const kreditsArappConfig = (arapp.environments[environment].kredits || {}
+
+// typically we use the open.aragonpm.eth aragonpm.
+const apm = kreditsArappConfig.apmDomain || argv['apmDomain'] || 'open.aragonpm.eth'
+
+// daoFactory is environment specific.
+// See https://github.com/aragon/deployments/tree/master/environments/ for the official daoFactory
+// Locally we deploy our own daoFactory and no daoFactory is required (`daoFactoryAddress` is null).
+const daoFactoryAddress = kreditsArappConfig.daoFactory || argv['daoFactory']
+
+const ensAddr = arapp.environments[environment].registry || argv['ensAddress']
 
 
 module.exports = async function(callback) {