Remove secret_token file and re-generate on setup
Reference Trello [ci skip]
Tweak contributing doc
Update infrasctructure: Rails 3.2.10, Ruby 1.9.3
Update rails ... again
Update test harness
Update tests and break 'Previous patient' checkin
Added listing of patients under treatment areas
Add link to patient history page and sort treatment areas by name
Add Procedures Per Hour report
Fill in data points with zero values
Return empty array when there are no procedures
Add Checkins and Checkouts to Clinic Summary Report
Add link to show and hide procedures graph
Fix graph links
Add X-rays per hour
Change time format in charts
Fix treatment area test
Clean up view so links are only shown when graphs are present
Clean up helper and report