Added URL for 2014-12-03-edinburgh
2014-12-03-edinburgh announce post
Merge pull request #625 from mikej888/2014-12-03-edinburgh-workshop

Added URL for 2014-12-03-edinburgh
Merge pull request #626 from mikej888/2014-12-03-edinburgh-blog

2014-12-03-edinburgh announce post
Removed buggy space from URL
Merge pull request #628 from mikej888/2014-12-03-edinburgh-blog

Removed buggy space from blog/2014/10/archer-edinburgh-workshop.html URL.
Announcing the creation of the Software Carpentry Foundation