Remove cloned "apt-get-update" resources, run only once if compile_time_update
Gemfile: rubocop ~> 0.23 to fix "uninitialized constant Rubocop" error
Gemfile: chefspec ~> 4.0 to fix "uninitialized constant RSpec::Matchers::BuiltIn::RaiseError::MatchAliases"
Merge pull request #77 from onddo/cloned-resources

Avoid cloning resource attributes