Issue #1869642 by kerasai: Fix placeholder documentation in batch API progress message
Issue #1629994 by oadaeh, Aron Novak, yurtboy: Reference correct RFC in mail functions documentation
Merge branch '6.27-security' into 6.x
Now onto Drupal 6.29-dev
Issue @2062127 by rhm50, jlindsey15, joachim: Fix documentation of system_requirements() to say it is a hook implementation
Merge tag '6.29' into 6.x

6.29 release

Conflicts:
	CHANGELOG.txt
	modules/system/system.module
Drupal 6.30 fixes
Drupal 6.31
Fix #84 by using drupal_page_is_cacheable()
Merge pull request #85 from pressflow/SA-CORE-2014-002-fix

Fix #84 by using drupal_page_is_cacheable()
Drupal 6.32
Merge tag '6.32'

6.32 release

Conflicts:
	CHANGELOG.txt
	includes/form.inc
	modules/system/system.module
Merge pull request #90 from neclimdul/drupal_6_32

Drupal 6.32 release for SA-CORE-2014-003 and some doc fixes missed in earlier pressflow release
Merge remote-tracking branch 'upstream/master'