added 'update entity' feature and made it pass
added 'delete entity' feature and made it pass
changed 'update entity' flow to use an explicit 'Edit' link instead of clicking on the entity name in the index page
corrected 'add account' feature to account for presence of entities
changed default format for cucumber output
finished fixing features after adding entities
added totals to summary rows in the accounts table
corrected typo in 'add entity' feature