Merge branch 'feature/jam_tracks_refund' into feature/jam_track_ui_2

admin/app/views/admin/jam_tracks/_jam_track_right_fields.html.slim

@@ -0,0 +1,5 @@
+= f.inputs name: 'Jam Track Right fields' do
+
+  ol.nested-fields
+    = f.input :jam_track, :required=>true, collection: JamTrack.all, include_blank: false
+    = f.input :user, :required=>true, collection: User.all, include_blank: false

ruby/lib/jam_ruby/models/jam_track_right.rb

@@ -4,6 +4,7 @@ module JamRuby
   class JamTrackRight < ActiveRecord::Base
     include JamRuby::S3ManagerMixin
   	attr_accessible :user, :jam_track, :user_id, :jam_track_id, :url, :md5, :length, :download_count
+    attr_accessible :user_id, :jam_track_id, as: :admin
     belongs_to :user, class_name: "JamRuby::User"  # the owner, or purchaser of the jam_track
     belongs_to :jam_track, class_name: "JamRuby::JamTrack"