pin to ubuntu 12.04
include FLiP
 - Perhaps should be a separate container...
pandoc and pygments for converting notebooks
 - update to get ipython 2 including HTML widgets and multi-directory navigation
 - FROM crosbymichael/python rather than ubuntu
   - pip is included
   - never mind universe
 - prune "Tested with Docker version ..." rather than maintaining it
 - prune FLiP