Update RVM to use custom resources

[damacus]

Description

• Rename test cookbook to test
• Testing Updates
  • Remove test users databag
• Remove Foodcritic config
  • Foodcritic has been replace by Cookstyle
• Require Chef 15.3 for unified_mode and Chef 18 support
• Move the vagrant recipe to the test cookbook
  • This recipe this is only for testing
• Move all recipes to resource
  • This allows us to use unifed_mode for install gems in the correct order

Signed-off-by: Dan Webb [email protected]

Check List

• [ ] A summary of changes made is included in the CHANGELOG under ## Unreleased
• [ ] New functionality includes testing.
• [ ] New functionality has been documented in the README if applicable.