Added uchicgao blog post.
Merge pull request #223 from scopatz/master

UChicago blog post
Merge branch 'master' of github.com:swcarpentry/website into instructors-guide
Anthony Scopatz blog post about Chicago boot camp
Blog post about University of Chicago boot camp
Merge pull request #225 from gvwilson/master

Blog post about Chicago boot camp
Merge branch 'master' of github.com:swcarpentry/website into instructors-guide
Writing some more learning objectives
More learning objectives