#513414 by kika, stBorchert, stella, sign, Bojhan, sun et al: Make editing of summary/full fields more user-friendly.

- Patch #569362 by scor, effulgentsia, catch: add attributes and title_attributes() variables for tpl files so that RDFa and Microformats can be implemented.

#564370 by catch: Fixed block caching form_alter() which was located in wrong file post-registry rip.

#557220 by Everett Zufelt: Added alt attributes to SimpleTest results to assist screen-reader users.

#555712 by TheRec: Moved shortcut bar collapse icon to the left side so it's more easily accessible and 'Log out' is no longer mistakenly clicked.

#569072 by rcross and yched:  Clean field_attach_()* namespace by renaming and moving non-crud functions.

- Patch #306151 by agentrickard, David_Rothstein, Dave Reid, dbabbage, moshe weitzman: automatically install/uninstall schema.

- Patch #572932 by sun: rename hook_elements() to hook_elements_info() for consistency. Yay to API clean-ups during 'slush'.

- Patch #565792 by pwolanin, effulgentsia, scor, fago, dahacouk: refactor theme_username() so that RDF patch can be accepted.