Merging changes to README.md from gh-pages
Starting to import IPythonBlocks-based intro to Python, and cleaning up random HTML in other places
Notebooks from intro to Python with blocks
Renaming for consistency
For loops using IPython Blocks
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