v3: add developer program feature flag

Gemfile.lock

@@ -87,7 +87,7 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-yaml.git
-  revision: 380b9db24a3cefa2b7fa3718ac49bd1db8761bfd
+  revision: 9ebe328e7546c696dd374a8cf773d93276f98e4f
   specs:
     travis-yaml (0.2.0)
 

lib/travis/api/v3/renderer/user.rb

@@ -3,5 +3,11 @@ require 'travis/api/v3/renderer/owner'
 module Travis::API::V3
   class Renderer::User < Renderer::Owner
     representation(:standard, :is_syncing, :synced_at)
+    representation(:additional, :developer_program)
+
+    def developer_program
+      return true if Travis::Features.owner_active?(:developer_program, @model)
+      @model.organizations.any? { |o| Travis::Features.owner_active?(:developer_program, o) }
+    end
   end
 end