Specify dependency so that it will work.

librarian-puppet barfs if its not /
Merge pull request #4 from rjw1/patch-1

Specify dependency so that it will work.
Fix deprecation warnings in templates.
Merge pull request #6 from rjw1/fix-templates-deprecation-warnings

Fix deprecation warnings in templates.
Incremented version number; pushed to forge
Fix cron.daily file name so it runs.

To quote the run-parts manpage.

```
       run-parts  runs  all  the  executable  files  named  within constraints
       described below, found in directory directory.  Other files and  direc‐
       tories are silently ignored.

       If neither the --lsbsysinit option nor the --regex option is given then
       the names must consist entirely of ASCII upper- and lower-case letters,
       ASCII digits, ASCII underscores, and ASCII minus-hyphens.
```
Merge pull request #7 from rjw1/fix-cron-daily-filename

Fix cron.daily file name so it runs.
Implemented spec tests, improved logic in backup template
Fixed typo in README examples
[blacksmith] Bump version