Merge branch 'master' of git://git.kernel.org/pub/scm/git/git

Merge branch 'master' of git://git./git/git

* 'master' of git://git.kernel.org/pub/scm/git/git: (34 commits)
  Make "git gc" pack all refs by default
  Teach mailsplit about Maildir's
  fix memory leak in parse_object when check_sha1_signature fails
  name-rev: tolerate clock skew in committer dates
  Update bash completion for git-config options
  Teach bash completion about recent log long options
  Teach bash completion about 'git remote update'
  Update bash completion header documentation
  Remove a duplicate --not option in bash completion
  Teach bash completion about git-shortlog
  Hide the plumbing diff-{files,index,tree} from bash completion
  Fix possible coredump with fast-import --import-marks
  Refactor fast-import branch creation from existing commit
  fast-import: Fix crash when referencing already existing objects
  fast-import: Fix uninitialized variable
  Documentation: fix git-config.xml generation
  gitweb.perl - Optionally send archives as .zip files
  Fix the progress code to output LF only when it is really needed
  Use git-for-each-ref to check whether the origin branch exists.
  Fix command line parameter parser of revert/cherry-pick
  ...