Testing phase - Hide the Create button until all values have been matched.
Testing phase - Hide titles, user does not need to know whether they are sam to phone or phone to sem
Seeds - Update seed file to reflect removing locked attribute
Merge branch 'master' of github.com:agau4779/LanguageExperiment into new_sessions
IterativeChain Controller - Implement update_locks, unlocked_chain, lock_chain and test on root_url page
IterativeChain Controller - Add check method. Separate from Start