Merge branch 'km/gc-eperm' into pu

* km/gc-eperm:
  gc: notice gc processes run by other users
Merge branch 'ss/builtin-cleanup' into pu

* ss/builtin-cleanup:
  Speed up is_git_command() by checking early for internal commands
  Call load_command_list() only when it is needed
  Consistently use the term "builtin" instead of "internal command"
Merge branch 'ss/safe-create-leading-dir-with-slash' into pu

* ss/safe-create-leading-dir-with-slash:
  Fix safe_create_leading_directories() for Windows

Conflicts:
	sha1_file.c
Merge branch 'rr/completion-branch-config' into pu

* rr/completion-branch-config:
  completion: fix remote.pushdefault
  completion: fix branch.autosetup(merge|rebase)
  completion: introduce __gitcomp_2 ()
  completion: prioritize ./git-completion.bash