Subprocess-ify.
Remove log.output_lines.count; print commit count progress.
Add patches for merge commits.
Fix diffs being attributed to the wrong author.

Also, remove -m and -cc flags from git log, since it significantly
increases the number of commits gone through. I'll have to revisit
getting the correctness right later.
Refactor => git_history.
Use GitHistory to populate blame information.
Consolidate history and all into one command.
Fix NME
Move third-party js and css files to vendor/
Fix file ignoring.
Sort TODOs in DESC order
Cache history.
Read from the last commit on the hash
s/last_commit/new_commit
Cleanup
Oops, we actually needed that.
Label buckets with their end time, since that's what it's really measuring.
Hover on the graph
Merge pull request #2 from amfeng/faster

Optimizations and other changes.