Increment web_download_count instead of download_count
The API file download URL is distinct from the web URL
Track API download counts in the API download action
API downloads redirect directly to a tarball
The SegmentIO agent keeps track of the last event tracked
Test that the API downloads are tracked in SegmentIO
Test that web downloads are tracked in SegmentIO
Encapsulate aggregate download statistics
Compute a cookbook version's download count in-memory
Compute a cookbook's download count in-memory
Order cookbooks by their segmented download counts
Remove the now-unused download_count columns
Merge pull request #393 from opscode/segment-downloads-by-api-and-web

Segment downloads by API and web