Issue #935208 by droplet, assert0, adrinux, Tor Arne Thune: Fixed PECL uploadprogress bar doesn't appear.

Issue #943924 by Merco, lotyrin, eojthebrave: Fixed Allow preview of private image on node add form.

Issue #1059268 by Berdir: Fixed Files are lost when adding multiple files to multiple file fields at the same time.

Issue #1118016 by dereine, pwolanin: Fixed conditional visibility of a managed_file() using #states attribute does not work.

Issue #978028 by Dave Reid: Fixed File token fixes: [file:description] does not exist and [file:owner] not using format_username().

Issue #1049462 by rfay: Fixed Usage of deprecated form_state['clicked_button'] causes bugs during AJAX submissions by non-buttons.

#995854 by rfay, effulgentsia, sun, merlinofchaos, Damien Tournoud, manimejia: Fixed #ajax doesn't work at all if a file element (or enctype => 'multipart/form-data')  is included in the form

#915174 by sdboyer, sun: Remove pointless files[] declarations on files that are not declaring classes.

#939962 by rwohleb, chx, quicksketch: Fixed File field allowed extensions JS broken in Chrome on OS X

#853926 by yched: Fixed Wrong order of multi-value file fields when form rebuilt (preview, failed validation)

- Patch #745590 by justinrandell, effulgentsia, yched, quicksketch, eojthebrave: #managed_file() element does not work when #extended not TRUE, or when ancestor element doesn't have #tree=TRUE.

- Patch #926016 by effulgentsia, chrisshattuck: several bugs when trying to remove files from a multivalued file/image field.

- Patch #882694 by mgifford, sun, ksenzee, bleen18, yched: add missing form element titles for accessibility.

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

- Patch #561858 by effulgentsia, sun, rfay, Nick_vh, merlinofchaos, katbailey, dereine, tstoeckler: drupal_add_js() and drupal_add_css() to work for AJAX requests too by adding lazy-load to AJAX framework.

#913846 by Bevan, grendzy, bleen18, rfay, et al: Fixed Image/file field breaks after uploading two files.