Fix foodcritic error FC-0002

FC002: Avoid string interpolation where not required:
./providers/deployment.rb:47
FC017: deployement LWRP notify when updated

The error:
FC017: LWRP does not notify when updated: ./providers/deployment.rb:1
FC041: replace wget by remote_file and execute

Foodcritic error was:
FC041: Execute resource used to run curl or wget commands:
./recipes/repository.rb:20

Replaced by a remote_file ressource that fetch the file and a execute
that import the key.
Merge branch 'fix-foodcritic' of github.com:lapresse/chef-newrelic into lapresse-fix-foodcritic
Rejig