Merge branch 'jc/fetch-auto-keep' into next

Merge branch 'jc/fetch-auto-keep' into next

* jc/fetch-auto-keep:
  Consolidate {receive,fetch}.unpackLimit
  fetch-pack: remove --keep-auto and make it the default.
  Allow fetch-pack to decide keeping the fetched pack without exploding
  Refactor the pack header reading function out of receive-pack.c
  Allow default core.logallrefupdates to be overridden with template's config
  ls-remote and clone: accept --upload-pack=<path> as well.
  rename --exec to --upload-pack for fetch-pack and peek-remote
  Documentation: --amend cannot be combined with -c/-C/-F.
  Documentation/config.txt: Correct info about subsection name
  git-daemon documentation on enabling services.
  reflog inspection: introduce shortcut "-g"
  annotate: use pager
  t/t1300-repo-config.sh: value continued on next line
  git-checkout -m: fix merge case