Changes since 6.x-1.26:
- #1345240 by random720: Avoid breaking XHProf reporting when site name contains spaces.
- #1192362 by salvis: Avoid crashing when path to XHProf executable is bad.
- #1421882 by juampy: Allow the output of fn-view --pipe to be formatted for opening it with an editor
- #1163356 by jonathan1055: Add error handler option to display backtrace as well as standard message.
- #1049672 by Dmitriy.trt: Fix the disabling of the SMTP server in hook_disable().
- Fix ddebug_backtrace() and the traceback error handler.
- #1262694 by salvis: Make krumo string output pre-formatted. (cherry picked from commit e742103dedeea039f6f11e90059c39442e36391e)
- More robust switch user.
- #1257966, by brad.bulger: Fixed typo in watchdog() call in drupal_mail_wrapper().
- #1095306 by drzraf, salvis: Avoid a krumo crash.