Updating lesson material imported from THW
Merge branch 'master' of github.com:swcarpentry/bc into gh-pages
IPython Notebooks for the blocks-based intro to Python
Merge branch 'gh-pages' of github.com:swcarpentry/bc into gh-pages
This file should not have been added in the first place
Coverting another section of the blocks-based intro
Notebook to go with previous commit
If/else
Adding titles to notebooks
Renaming some include files, and cleaning up the tags to be consistent (there were copy-and-paste errors)
Starting on program design
add set difference exercise
Fixing paths in includes
Fixing typos in material imported from THW
Add images and modify readme accordingly
Merge pull request #10 from ptone/illustrated-readme

Add images and modify readme accordingly
Adding branding materials (source for logo, etc.)
Merge branch 'gh-pages' of github.com:swcarpentry/bc into gh-pages
1. Added a bunch of small data files for use in exercises.
2. Modified _config.yml to _not_ copy these into the web site by default.
Creating an IPython Notebook to go with the lesson on Python sets