#646874 by sun and David_Rothstein: Remove assumptions about Contextual links and Shortcut modules from template files.

- Patch #502190 by jhodgdon, stella, sun: hook implementation headers out of compliance with standards.

- Patch #636822 by jhodgdon, arianek, David_Rothstein, JuliaKM: help improvements for shortcut and toolbar.

- Patch #558928 by brandonojc, mgifford, Owen Barton, Everett Zufelt: improved consistency, flexibility and accessibility of form element labels.

#610234 by Gábor Hojtsy, ksenzee, cwgordon7, David_Rothstein, seutje, marcvangend, sun, JoshuaRogers, markus_petrux, Bojhan, Rob Loach, Everett Zufelt, drifter, markboulton, leisareichelt, et al: Added Overlay module to core, which shows administrative pages in a JS overlay, retaining context on the front-end site.

#609100 by bleen18, seutje, and David_Rothstein: Should not be able to re-add same shortcut to same set twice.

#607008 by dww, Gerhard Killesreiter, JacobSingh, and chx: Changed Fix bugs in https support and use  https for authorize.php if available.

#600974 by effulgentsia, JohnAlbin, sun, and Damien Tournoud: Allow theme functions to take one argument without any hacks. NOTE: This is an API change in hook_theme().

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