Added error message if site-set command can't create temp file.
Updated documentation for drush_log.

  Provide a few more details about 'ok', so it's a more obvious alternative to
  drush_print, when developers want to print messages to screen and log.

	modified:   drush.inc
resolving symlinks in drush shell script fails if path contains spaces
Fix #526. _drush_sitealias_site_list() searches too many files. Slows down bash completion.
oops - really limit _drush_sitealias_site_list() to 1 subdir.
Follow-up to #530: Fix broken multi-user support in `site-set` command.
Update command 'category' element when it gets remapped. Only affects JSON/var_export of help command.
Really delete temp files with suffixes.
Update example.drushrc.php

Fix typo.
5.11.0 release.
Back to dev.
Fix #637. Avoid tput if TERM is 'unknown'
Fix docs-errorcodes command. drush_print_table expects a handler instead of a filename.
Fix typo at topics docs-cron
Remove leftover function that we stop using in 2010!.

Refer to commit 8d8433

Conflicts:
	commands/pm/update_info/drupal_7.inc
Change URL for make test.
Allow contrib_destination to be managed per project.
Resolves #841. Log an error when the path is '.'
Merge branch '836-backport-582-to-5.x' into 5.x