Cleaning up user_detail.html and including the d3 library.
Very rough draft for a user's commit calendar.
A bit of initial styling.
Some sizing fixes and a border between days.
Upgraded to latest version of d3.
Merge branch 'master' into commit-graph

* master:
  Fixing email issues
  Adding mock to help test the post api.
Created api for getting a commit calendar.
An actual functioning commit calendar.
Also updated Backbone to 1.0.0 for the smarter .fetch()
A couple of missing semicolons.
Resolving merge conflict.
Merge pull request #64 from romanlevin/commit-graph

Commit calendar for user's detail page