modified C::Patient::update_patient() to accept change of patient details for single records - NOT IMPLEMENTED YET - incomplete; patched error in M::Patient::update_patient() return hash; new teaching_cases cron; modified RXPB rules in activity_data cron
bugfixes - changed submission of final diagnosis to always require reason for diagnosis change (was optional but missing value caused data commit to die); password_reset() tests for new_passwd_data before using in 'eq' - could be undef due to session deletion
