remove class inheritance in install.pp

Gemfile

@@ -1,32 +1,7 @@
-source ENV['GEM_SOURCE'] || 'https://rubygems.org'
+source 'https://rubygems.org'
 
-group :development, :unit_tests do
-  gem 'rspec-core', '~> 3.1.7',  :require => false
-  gem 'rspec-puppet', '~> 2.1',  :require => false
-  gem 'puppetlabs_spec_helper',  :require => false
-  gem 'simplecov',               :require => false
-  gem 'puppet_facts',            :require => false
-  gem 'json',                    :require => false
-  gem 'metadata-json-lint',      :require => false
-  gem 'puppet-lint', '< 1.1.0',  :require => false
-end
-
-group :system_tests do
-  gem 'beaker-rspec',                  :require => false
-  gem 'serverspec',                    :require => false
-  gem 'beaker-puppet_install_helper',  :require => false
-end
-
-if facterversion = ENV['FACTER_GEM_VERSION']
-  gem 'facter', facterversion, :require => false
-else
-  gem 'facter', :require => false
-end
-
-if puppetversion = ENV['PUPPET_GEM_VERSION']
-  gem 'puppet', puppetversion, :require => false
-else
-  gem 'puppet', :require => false
-end
-
-# vim:ft=ruby
+puppetversion = ENV.key?('PUPPET_VERSION') ? "#{ENV['PUPPET_VERSION']}" : ['>= 4.0']
+gem 'puppet', puppetversion
+gem 'puppetlabs_spec_helper', '>= 0.8.2'
+gem 'puppet-lint', '>= 1.0.0'
+gem 'facter', '>= 1.7.0'