change in the html to fix layout issue (tested using firefox's responsive design view)

for https://github.com/swcarpentry/bc/issues/601
Keep link of lessons inside lesson div
Merge pull request #1 from r-gaia-cs/fix-layout-in-lessons-v5v4

Keep link of lessons inside lesson div
added figures and more text. Exceeding 4 page limit.
grayscale figures, author locations, abstract
Merge branch 'master' of github.com:JorySchossau/site into wssspe-assessment
Figures and formatting for WSSSPE assessment paper
Fix broken images in paper, since I didn't have the original material some of the figures are now B/W
Merge pull request #560 from gdevenyi/master

Fix broken images in paper
Reformatting to get into 4 pages
Adding some overdue badges
About to start moving figures
Moving figures/ directory contents into this directory to support arXiv submission
Merge branch 'making-badges'
Adding Jason Williams
Merge pull request #559 from acabunoc/master

Add a teacher training registration form
Making instructor training more findable
Add bootcamps of the Brazil tour
Merge pull request #561 from gvwilson/adding-links-to-training-request-form

Making instructor training more findable
Merge pull request #562 from r-gaia-cs/brazil-tour

Add bootcamps of the Brazil tour