Merge branch 'ps/commit-list-functions-renamed' into jch

Rename three functions around the commit_list data structure.

* ps/commit-list-functions-renamed:
  commit: rename `free_commit_list()` to conform to coding guidelines
  commit: rename `reverse_commit_list()` to conform to coding guidelines
  commit: rename `copy_commit_list()` to conform to coding guidelines

diff --cc builtin/am.c
Simple merge

diff --cc builtin/commit.c
Simple merge

diff --cc builtin/diff-tree.c
Simple merge

diff --cc builtin/gc.c
Simple merge

diff --cc builtin/merge-tree.c
Simple merge

diff --cc builtin/merge.c
Simple merge

diff --cc builtin/stash.c
Simple merge

diff --cc commit-graph.c
Simple merge

diff --cc commit.c
Simple merge

diff --cc diff-lib.c
Simple merge

diff --cc merge-ort.c
Simple merge

diff --cc pack-bitmap-write.c
Simple merge

diff --cc remote.c
Simple merge

diff --cc revision.c
Simple merge

diff --cc sequencer.c
Simple merge

diff --cc shallow.c
Simple merge

diff --cc submodule.c
Simple merge