Merge pull request #592 from acabunoc/instructor-form

Add two new fields to the instructor registration form
An update
Report about workshops at USP
Rice University
Putting braces instead of quotes around year for one entry
Add corrections suggested by @NelleV
fixed y axis scale cutting off data
fixed clarification, fixed data discrepancy y-axis cutoff
Changed title per reviewer comment
fixed n=22 to n=24 now correct (y axis scale problem)
Waterloo bootcamp
Merge pull request #595 from JorySchossau/assessment_reviewer_revisions

Assessment reviewer revisions
Merge branch 'usp' of github.com:r-gaia-cs/site
CCSL Bootcamp blog post
Adding a couple of bootcamps
Pictures from Brazil
Blog post from Azalee Bostroem about teaching
Blog post from Justin Kitzes about building better teachers
Justin's edits and clean up of blog post
His/her -> their