Minor fixes, force for debian install

PR#76 - Remove deprecated recommends
PR#77 - Add force option for debian to allow upgrades
PR#79 - Make telegraf_install idempotent

Chef 13 deprecation and foodcritic warnings

• PR#66 - Fix Chef-13 warning for https://docs.chef.io/deprecations_namespace_collisions.html
• Cleanup all foodcritic warnings