add support for enable_syslog parameter
changed source to berkshelf since i am making local changes and do not want to pull this from supermarket
added enable_syslog docs
reverted unneeded change to source
Squash dubious foodcritic warnings for FC001.

This should clear out the problem that #50 highlights.
API Updates

- Update serverspec API usage
- Update how ui is extracted, the file itself changed.
- Increase coverage slightly with added test when using runit
- Cleanup helpers with more convenience methods

Add encrypt parameter

- Add test
- Add value to kitchen config
- Bump version
Add param to doc, bump version.