Added link for 2014-07-21-cranfield
2014-07-21-cranfield announcement blog post
Merge branch 'master' of https://github.com/swcarpentry/site into cranfield-bootcamp
Set Cranfield blog post date to today
Merge pull request #519 from mikej888/cranfield-bootcamp

Cranfield bootcamp
Adding URLs for Joshua Herr's bootcamps
Adding EPL to bootcamps html:\
Merge pull request #520 from arlissc/addepl

Adding EPL to bootcamps
Merge branch 'master' into adding-herr-bootcamp-links