Small git config changes.

[advice]

    skippedCherryPicks = false

[apply]

    whitespace = fix

    dif = diff --color-words --ignore-all-space

    empty-commit = commit --allow-empty

	exec = "!${SHELL:-/bin/sh} -ic "

    ff = merge --no-edit --ff-only origin/HEAD

    ff = merge --no-edit --ff-only

    fixup = !cd "${GIT_PREFIX:-$PWD}" && git commit --fixup $(git last-commit)

    forget = reset HEAD^

    iec = commit --allow-empty --only --message \"Initial empty commit.\"