Merge branch 'sd/log-decorate'

Merge branch 'sd/log-decorate'

* sd/log-decorate:
  log.decorate: only ignore it under "log --pretty=raw"
  script with rev-list instead of log
  log --pretty/--oneline: ignore log.decorate
  log.decorate: usability fixes
  Add `log.decorate' configuration variable.
  git_config_maybe_bool()

Conflicts:
	builtin/log.c