remove unnecessary patches from xapi tests
error messages on tests and some simplifications
simplifications
moved some util functions into Hunt model
restructure state api doc
minor text changes and reorg
implements most recent notes on handling state and adds new tested utils
fixes test for sending completed hunt statement
fixes finding settings by hunt_id function
adds not sending email confirmation text to get started
fixes item_already_found
finished settings test
logging for get_state
fixes submitting form before email confirmation
fixes handling and display of hunt form errors
fixes handling of invalid hunt or item identifier in routes
adds more logging to registration and get started views
failblog view for testing
experimenting with heroku env vars
experimenting with logging