Update example to latest sails-permissions

[pixelbacon]

There have been some breaking changes, an updated example would be fantastic :)

[ryanwilliamquinn]

I will see if I can find some time this weekend to update this post, thanks for the comment.

[pixelbacon]

Very welcome. In the mean time I may fork and try to get it updated :) When sails-permissions removed the sails-auth dependency, and their documentation didn't get a proper example update, that's when this became outdated sadly.

[pixelbacon]

Of note: trailsjs/sails-permissions#91