Integration usage
Edited Rajat's post
Fixed title
Update 2014-07-02-progress-of-d3-project.markdown

Added alt text.
Add a new blog post on GSoC D3 project and Nyaplot
Merge branch 'source' of https://github.com/domitry/sciruby.com into source
Edited domitry's blog post. Great work.
Specify SHA value of commit when pointing code
Merge pull request #23 from domitry/source

Specify SHA value of commit when pointing code
Merge remote-tracking branch 'upstream/source' into source