- Patch #278592 by catch, Dave Reid, andypost, lilou, sun, tobiasb: sync 6.x extra updates with HEAD.

#473268 by David_Rothstein, sun, yoroy, Gábor Hojtsy, cwgordon7, et al.: Allow contextual editing of dang near everything on the page. Also adds a context system to menu local tasks.

#511286 follow-up by DamZ: Make testMenuGetNames() less brittle (and also fix it so we can turn testing bot back on).

- Patch #511286 by JacobSingh, David_Rothstein, dmitrig01, Gábor Hojtsy, ksenzee et al: add customizable shortcuts to the toolbar.

- Patch #602582 by dww, cweagans: changed name and description in update.info to reflect update manager functionality.

- Patch #275368 by michaelfavia, sun, mattconnolly: allow disabling comment preview + unify with node preview settings.

#412730 folllow-up by Crell: Move missing theme key notification to watchdog so that Drupal doesn't totally bomb out when theme function isn't found. (also fixes CLI installs)

#565480 by plach and peximo: TF #2: Multilingual field handling. Integration between field API and locale module + translatable node bodies.

#538660 by JacobSingh, dww, JoshuaRogers, adrian, Crell, chx, anarcat, and cwgordon7: Add a functioning Plugin Manager to core. Can you say module installation and updates through the UI? I knew you could! :D

- Patch #602710 by quicksketch: fixed aggressive reset.css in Seven -- broke RTL language and some forms.

- Patch #604618 by Crell, JacobSingh: create a common interface for Archive operations so we can handle .zip, .tar.gz.