/ Link showing page number
  - available local variables
    page         : a page object for "this" page
    url          : url to this page
    current_page : a page object for the currently displayed page
    total_pages  : total number of pages
    per_page     : number of items to fetch per page
    remote       : data-remote
- if page.current?
  span class="page-current" = page
- else
  = link_to page, url, remote: remote, rel: page.rel, class: 'page'