- Patch #880132 by bojanz: hook_schema() doesn't support compound foreign keys; inconsistent implementations in core.

- 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 #361277 by michaelfavia, Brandonian, catch, et al: remove the 'post settings' admin screen and relocate options.

- Patch #164532 by catch, pwolanin, David Strauss, et al.: improve table indicies for common queries.

 - whitespaces at end of lines
 - indentation
 - control structure usage
 - whitespace in empty lines
 - phpdoc comment formatting

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

- Patch #79428 by Chris Johnson: remove int display width declarations from MySQL create table statements.

- Patch #68926 by chx, jeremy, steven, eaton, webchick, amazon, neil, nedjo et al: an initial install system for Drupal core.