#320171 by Deve Reid, jbrauer: fix return value passing by reference in bootstrap.inc's IP address checking

#732064 follow up by pwolanin: move lock system loading earlier to avoid stepping over it or attempting to use it before it is loaded

#517642 by solipsist, lyrincz: db_field_set_default() omitted type check on default value, cauing problems for non-NULL fields

#591804 by rfay, merlinofchaos, sp3boy: theme preprocess functions in include files only run on theme registry rebuild for tpl.php files in themes

#358315 by neochief, Damien Tournoud, andypost: drupal_lookup_path() does not respect path alias ordering when older aliases are retained

#338630 by plach, arhak: locale module was unable to recover from a lost Javascript translation file

#251792 by pwolanin, Damien Tournoud, slantview, c960657: added a locking framework for long running operations; solves rebuilding issues with menus and the locale cache

#284392 follow up by benoitg, brianV, mathieu, evoltech, tyr, Steven Jones, agentrickard, bl444137: better fix for issues around SQL rewrites adding DISTINCT

#370958 by Rob Loach, drewish, c960657, neilnz: some Adobe Flash MIME types were missing from our MIME listing

#424372 by mr.baileys, bombatower, Arancaytar: :: in .info files caused fatal error, use list of constants for lookup instead

#639708 by kiamlaluno, JuliaKM, jhodgdon: minor fix for documentation of return value in drupal_match_path()

#644482 by hass (backport of #452936): use TRUNCATE to do full cache clearing, which results in a dramatic speed increase

#528822 by markDrupal, jhodgdon: update batch API example to document file key, reflow key listing to be an actual list

#640050 by heyrocker: fix code example in drupal_execute() phpdoc; password fields should have two string values

#647336 by Morbus Iff: No params for xmlrpc() causes PHP 5.3.x failure of XML-RPC. Initialize the XML-RPC message params property properly.

#472820 by rfay, Rob Loach, mfb, sun, andypost: do not remove newlines in CSS aggregation; it breaks certain valid CSS structures