Don't say I should approve my own PRs
Fix button text
Extract Method: ancestryContains.
Extract Method: approvalComments.
Rewrite approvalComments to approvingUsers.

This simplifies the code and helps reduce duplicate counts where a
single user has :+1:'d multiple times.
Simplify iHaveApproved code.
Merge pull request #2 from nubs/refactoring

Refactoring
Return the html instead of appending it in buildDiv
Fix a bug when statuses aren't set
Add bootstrap table
Show the actual approving comments in a title
Add a missing var
Fix some extremely long lines
Fix some comment bugs