Merge branch 'np/dreflog' into next
* np/dreflog:
add reflog when moving HEAD to a new branch
create_symref(): do not assume pathname from git_path() persists long enough
add logref support to git-symbolic-ref
move create_symref() past log_ref_write()
add reflog entries for HEAD when detached
enable separate reflog for HEAD
lock_ref_sha1_basic(): remember the original name of a ref when resolving it
make reflog filename independent from struct ref_lock
Compute accurate distances in git-describe before output.
Update describe documentation.
Teach git-describe to display distances from tags.
git-blame --porcelain: quote filename in c-style when needed.
git-blame --incremental
Don't force everybody to call setup_ident().
git-log -g --pretty=oneline should display the reflog message
Document --check option to git diff.
Allow the tag signing key to be specified in the config file