Issue #1397882 by sun, kbasarab, catch, pingers: Fixed system_theme_settings_submit() does not properly clean up submitted form values.

Issue #761608 by JohnAlbin, effulgentsia: Fixed Missing theme settings values because list_themes() has inconsistent theme object data.

Issue #1376166 by sun, xjm, tim.plunkett: Fixed Custom logo and favicon functionality inanely tries to support absolute local file paths.

Issue #1352272 by sven.lauer, Albert Volkman: Fix docs for deprecated, unused system_settings_overview() function

Issue #1025286 by Tor Arne Thune, Devin Carlson, swentel: Fixed logo_upload() in form_set_error() instead of favicon_upload() in system.admin.inc.

Issue #1397882 by sun: Fixed system_theme_settings_submit() does not properly clean up submitted form values.

Issue #1183430 by TR, oriol_e9g: Fixed t function strings should not have whitespaces at beginning or end.

Issue #1226796 by sun, catch, Damien Tournoud: Fixed Not equal operator '!=' is not supported by all databases, must be '<>'.

Issue #943772 by jpsoto, yched, catch, bojanz, pillarsdotnet, steinmb: Fixed field_delete_field() and others fail for inactive fields.

Issue #929166 by dww, deviantintegral, yoroy: Add warning if private files are accessible over the web.

- Patch #690544 by bleen18, andypost, marcvangend, dbeheydt, rschwab, robertom: blocks admin (admin/structure/block) requires menu_rebuild() to display settings for current theme.

- Patch #944484 by xmacinfo: performance bandwidth optimization text do not match latest aggregation performance fix.

#151452 by David_Rothstein, Dave Reid, tstoeckler: Fixed uninstalling modules does not follow dependencies.

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

- 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.