Merge pull request #8 from sarina/master

Fix up error handling
Link to AUTHORS file in current repo
Fix typeerror
Check if user is in people file
One place uses head repo, other uses base repo
Unicode all the things!
install cachecontrol for github
Added URL to rescan github pull requests
Add HTML form for rescanning
Set application/json content type
correct form action
pass url params as strings
Search all comments for jira issue key
comment out rescan functionality, for testing
Create is_edx_pull_request helper function
Re-enable github rescan
Reorder code so things are defined before they are used
Prevent rejection loops
requests 2.4.2 introduces the json parameter for uploads

http://docs.python-requests.org/en/latest/community/updates/#id3
Add "Needs Triage" label to new PRs