ticket:419 change filed width for study and legacy_sample_id
ticket:419 log mysql value is truncated error
Merge branch 't419_study_is_truncated_in_cart_analysis_table'
ticket:418 used db transactions when adding/removing cart items
Merge branch 't418_add_all_to_cart_not_completing'
ticket:420 changed values resolvers
Merge branch 't420_need_to_be_able_to_access_result_data_in_value_resolvers'