condensing the controllers for accessing each model separately

app/controllers/index.js

@@ -0,0 +1,11 @@
+module.exports = {
+	donor: require('./donor.controller'),
+	grant: require('./grant.controller'),
+	organization: require('./organization.controller'),
+	stripe: require('./stripe.controller'),
+	sendgrid: require('./sendgrid.controller'),
+	region: require('./region.controller'),
+	cause: require('./cause.controller'),
+	user: require('./user.controller'),
+	auth: require('./auth.controller')
+};