Updated mkLinks.sh to deal with more cases.
Updated mkLinks.sh to deal with more cases.

- Handles running from different directories.

- Skips files that don't exist in repo.  Lists them as a reminder to
  remove them from files list.

- Copies files that do exist in home directory to repo
  with mkLinksBackup extension for easy diff/merge.

- Skips and lists files that exist in home directory but aren't
  symlinks or regular files.

rcgreenw/dotfiles