Merge pull request #1 from brucellino/gh-pages

Thanks!
Update to reflect correct jekyll arg order

`make site` was failing because of incorrect jekyll arg order.  This is correct in the master branch but is still broken here.
Merge pull request #706 from naupaka/gh-pages

Correct jekyll arg order for gh-pages Makefile
Changed location.
Instructors updated.
Who
Registration details
Link and registration
More Info
formatting
Logo upload
logo and resizing
Merge branch 'gh-pages' of https://github.com/swcarpentry/bc into gh-pages
install instructions
Merge pull request #1 from jduckles/gh-pages

pulling in code from Jonah's updates