Issue #1007910 by lyricnz, idflood: Fixed D6->D7 update doesn't convert 'primary-links' menu to 'main-menu'.

Issue #761648 follow-up by lyricnz: Fixed Menu D6->D7 upgrade doesn't maintain node-menu configuration.

#410646 by dman, David_Rothstein, and thousands of other people: Fixed 'Secondary menu' exists but is no longer the default source for the secondary links.

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

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

- Patch #273137 by pwolanin, David_Rothstein, chx, et al: split navigation to user and administration menu. Will require follow-up patches.

- Patch #270917 by catch, Bojhan, et al: renamed 'primary links' and 'secondary links' to 'main menu' and 'secondary menu' respectively.  Based on usability study conducted with the help of Bojhan.

#216014 report by meba, patch by myself: menu_install() did not use get_t() for its menu item creation

- Patch #150245 by webchick, bjaspan, ralf, Arancaytar et al: move the .schema files into .install files to prevent mistakes.

#166586 by hswong3i: move literal values out of menu module queries (for better db compatibility, ie. easier query rewriting)