json.(milestone, :id, :name, :description, :effective_date, :status)
json.issues_count milestone.opened_issues.size + milestone.closed_issues.size 
json.opened_issues_count milestone.opened_issues.size
json.close_issues_count milestone.closed_issues.size
json.percent milestone.issue_percent
json.created_at milestone.created_on.strftime("%Y-%m-%d %H:%M")
json.updated_on milestone.updated_on.strftime("%Y-%m-%d %H:%M")
