This commit was manufactured as part of Drupal's Great Git Migration to

create tag 'DRUPAL-7--1-0-ALPHA4'.

Sprout from DRUPAL-7--1 2010-03-09 14:26:13 UTC Wolfgang Ziegler <nuppla@zites.net> 'added entity_(create|delete|save) API functions and a test for them'
Cherrypick from DRUPAL-7--1 2010-02-19 17:10:15 UTC Wolfgang Ziegler <nuppla@zites.net> 'Wrap data by using references for non-entities, so changes take effect immediately in any case.':
    entity_metadata/entity_metadata.module
    entity_metadata/modules/callbacks.inc