Merge branch 'bc/send-email-ssl-die-message-fix' into maint

* bc/send-email-ssl-die-message-fix:
  send-email: don't call methods on undefined values
Merge branch 'js/xread-in-full' into maint

* js/xread-in-full:
  stream_to_pack: xread does not guarantee to read all requested bytes
Merge branch 'km/svn-1.8-serf-only' into maint

* km/svn-1.8-serf-only:
  Git.pm: revert _temp_cache use of temp_is_locked
  git-svn: allow git-svn fetching to work using serf
  Git.pm: add new temp_is_locked function
Merge branch 'mm/rebase-continue-freebsd-WB' into maint

* mm/rebase-continue-freebsd-WB:
  rebase: fix run_specific_rebase's use of "return" on FreeBSD
Git 1.8.4.1

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Sync with Git 1.8.4.1
contrib: remove ciabot

Almost a year ago the CIA service irrevocably crashed.  The CIA author
had plans to revive the service, but the effort has since sunk without
trace.

Projects tend to use "irker" instead these days.  Repository hook
scripts for irker ship with the irker distribution.

Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>
Acked-by: Eric S. Raymond <esr@thyrsus.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>