- need org-mode >= 8.3 at least for proper export with allowframebreaks to work

- to export in LaTeX format using the beamer class, you will need the following
  in your Emacs configuration:
  
    (require 'ox-beamer)
    (add-to-list 'org-beamer-environments-extra
                 '("picblock" "P"
                   "\\begin{picblock}%o{%h}"
                   "\\end{picblock}"))
