Version 1.6
Ability to clear authorized_keys file
Time for 1.7.0
Mention that users can edit the hooks
Remove unused require statement
Use Tempfile instead of `sed -i`

The syntax for `sed -i` is incompatible between GNU sed and
BSD sed. By Tempfile from the Ruby standard library we can
avoid using the `-i` option of sed.
Merge branch 'comments_in_default_hooks' of /home/git/repositories/gitlab/gitlab-shell
Merge branch 'avoid_sed_i' of /home/git/repositories/gitlab/gitlab-shell
Remove gitolite support from rewrite-hooks.sh
Remove empty post-receive hook
Merge branch 'remove_empty_post_receive' of /home/git/repositories/gitlab/gitlab-shell