- Patch #943112 by ksenzee: file_file_download() should delegate header checks to a separate function.

Patch #943042 by Damien Tournoud: MergeQuery regressions: key is used in the update query, exception is echoed.

#943056 by Dave Reid: Fixed Incorrect capitalization of 'URL' in description of [user:edit-url] token

#876762 follow-up by yched: Move taxonomy vocabulary rename checking logic to hook_taxonomy_vocabulary_update().

#901404 by bleen18, David_Rothstein: Fixed Saving a shortcut from the admin screen doesn't work correctly if a path alias is used.

#709892 by drunken monkey, Yorirou: Complete entity CRUD hook invocations: Add a hook_entity_delete() for consistency.

#938470 by Kevin Hankens: Change error about file permissions on settings.php during install to warning instead.

- Patch #902644 by sun, tobiasb: machine names are too hard to implement. Date types and menu names are not validated.

  This patch fixes a bug, but is also a last minute clean-up that will help with better distribution support. We discussed this in http://drupal.org/node/933846.

#876762 by Dave Reid, yched: Fixed modules have no way of knowing if vocabulary machine names are changed.

#936836 by swentel: Fixed critical issue Autocomplete term widget doesn't return any values - unknown key vid.

- Patch #818374 by Damien Tournoud, ksenzee, Dave Reid: add a requirements check error if PECL PDO is being used.

- Patch #913528 by chx, Berdir, catch, tstoeckler, yched, dereine: create new boolean field 'Cannot create references to/from string offsets nor overloaded objects'.

- Patch #937562 by tim.plunkett, chx, justinrandell: fatal Error Call to a member function getDirectoryPath() on a non-object when Default picture is set.