Starting to populate the agenda.

From the coordinating Google document.
Added second part of the tutorial.
Organized the third and fourth sessions.
Minor content and formatting corrections.
Inserting the agenda.
Added links to other Markdown docs.
Renamed basic processing example.
Renamed with number to force order.
Add initial dexy.yaml for website.
Merge branch 'master' of github.com:reproducible-research/scipy-tutorial-2014
Improved formatting and get better image.

Used now the Talitrus Saltrator image acquired at the IEEE Summer School on
Biomedical Imaging.

Also improved instructions on how to get the image from Figshare.
Add dexy.conf for building website.
Merge branch 'master' of github.com:reproducible-research/scipy-tutorial-2014
Using now Talitus Saltrator as input image.
Merge branch 'master' of github.com:reproducible-research/scipy-tutorial-2014
Add website CSS.

From:

  https://raw.githubusercontent.com/mixu/markdown-styles/master/layouts/jasonm23-foghorn/assets/style.css
Render website with CSS.
Merge branch 'master' of github.com:reproducible-research/scipy-tutorial-2014
Added Vector color region growing segmentation.
Added dir(sitk) to show full list of filters.