add unique db indices to match all ActiveRecord validations
allow multiple additional results for a competition
upgrade rails to 4.1.5
add ability to specify a custom name for additional competition results
add ability to view all results for a registrant. (not complete)
update todo
remove USA menuitem when in Unicon mode
add export_results method
update ruby to 2.1.2 and rails to 4.1.6
upgrade devise and respec, adjust specs to meet new rspec needs
add volunteer_opportunities/choices
remove registrant_group view test which was failing