#308399 by Damien Tournoud: Fix SimpleTest error handler to not spaz out and die when PHP errors are encountered.

#275092 follow-up by chx: Fix admin blocks page to work with secondary themes + test so we don't break it again.

#286035 follow-up by maartenvg: Fix problem with contrib updates not firing unless system update exists.

- Patch #302396 by chx, catch: made some tests more granular so they an be run in parallel or stand-alone.

- Patch #208793 by kbahey, Damien Tournoud: stop hardcoding the HTTP protocol version where possible.

- Patch #302763 by Dave Reid, Rob Loach: replace time() by ['REQUEST_TIME'] as per Rasmus' suggestion.  Removed drupal_referrer() for consistency.

- Patch #64967 by Arancaytar, meba: ereg -> preg for performance reasons and future compatilbility.  PHP6 is rumoured to drop ereg support.

- Patch #228576 by sun: too ambiguous stylesheet in dblog.css when form_altering the watchdog table.

#197425 by lilou, Nick Lewis, mooffie, and friends: Add <blockquote> to list of default allowed HTML tags.