Added uses appcontroller line to controllers
Merge branch 'master' of https://github.com/sgreenstein/salk-a
Fixed permissions for non-camper users, added nonfunctional file upload button
Added upload file function from http://www.jamesfairhurst.co.uk/posts/view/uploading_files_and_images_with_cakephp
New sql file. Changed insurance cards from a table to a column in camper table
Campers can upload a picture of their insurance card
Updated edit view, created add_insurance_card view, baked index and view views