Roll-back of #595084; type-hinting parameters at stdClass makes it so you can't ever pass in another type of class.

#322703 by BarisW, sun, Shai, and dman: Use on/off checkbox to enable and prepopulate node's menu item.

#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().

#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.

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

- Patch #351249 by stBorchert, coreyp_1, BrightLoudNoise, catch, kkaefer, sign: finer control over the Parent Menu select box.

- Patch #576916 by BarisW | Bojhan: default menu 'Parent item' should be Navigation, not Primary links.

- Patch #508570 by quicksketch, sun | pwolanin, bec: restore URL consistency for node types and menus.

#564394 by Berdir and Crell: Removed database BC layer. nah nah nah nah... hey hey hey... gooood byeeee...

- Patch by #565496 by dropcube, pwolanin: changed Allow dynamic attaching of other types of stuff to render() structures.

- Patch #495968 by Frando, moshe weitzman: added drupal_render() cache pattern. Start using it for blocks.

- Patch #560746 by dropcube: rename hook_block_list() to hook_block_info() for consistency in the API.

#497118 by chx, catch, pwolanin, JoshuaRogers, and Jacob Singh: Remove the function registry. While the hope was that this would result in improved performance for low-end hosts, it comes at the expense of critical development experience problems and less benefit than something like APC. Class registry remains intact to facilitate autoloading.

Of all the patches to accidentally commit without a message. :( Rolling back registry rip. Let's try that again.

#326539 by JohnAlbin, sun, cha0s, ultimateboy, Rob Loach, Damien Tournoud: Convert 'class' attribute to use an array, not a string.

#469386 by Bojhan: Remove obvious menu administration help, and make block-related help conditional on block module.

- Patch #394476 by Berdir, pwolanin, Crell: converted the module to the new database abstraction layer.

#323112 by dmitrig01, kkaefer, quicksketch, frando and many many more: Now presenting... Vertical Tabs. Fantastic new UI improvement for node forms and hopefully more in the future.

- Patch #317775 by pwolanin, justinrandell: caching entire {menu_router} table causes MySQL error/slow rebuilds and slows menu_link_save.