first crappy pass at parsing cells in py script
changing markdown type to # In[012...].  This is styling of the output from ipython notebook -> python.  We should work towards bidirectional transport ipynb <- -> py.
adding older decorator notebook plotting/pandas example
including more example notebooks and updating cellparsing for file output
adding @interact decorator
Merge branch 'master' of github.com:quasiben/apppy into feature/custom-widgets
Initial steps to make the source code widget an automatic part of any plots, and to be launched programmatically from a checkbox.