1. Adding blog post about Macquarie boot camp.
2. Fixing typos in two recent blog posts.
Merge pull request #291 from gvwilson/blog

Blogging about Macquarie.
Merge branch 'master' of github.com:gvwilson/website into blog
Blog post about UBC boot camp
Merge pull request #296 from gvwilson/master

Blog post about UBC boot camp
Blog post about reproducibility
Merge branch 'master' of github.com:swcarpentry/website into blog