Merge pull request #279 from gvwilson/master

Location of Macquarie boot camp
Fixed broken link to setup pages
Reworded paragraph on setup information
Edited helpers information to recommend (rather than require) they follow the setup information pre-boot camp, and that they only need familiarise themselves with material for the sessions they're helping on.
Adding Julia Gustavsen
Merge pull request #280 from mikej888/master

Update bootcamps/how-to.html with rewording and link to setup information.
Blogging about our Facebook page
Fixing typo in dates for LBL boot camps
Fixed typo on Utah State bootcamp page
Merge pull request #282 from gvwilson/blog

Blogging about our Facebook page
Merge pull request #283 from gvwilson/website

Fixing dates for LBNL boot camps in March.