(CONT-237) Clean Rakefile

This commit cleans up the Rakefile. It also adds a new rspec task for
acceptance tests.

Author: chelnak

Rakefile

@@ -3,43 +3,13 @@
 require 'bundler/gem_tasks'
 require 'rspec/core/rake_task'
 
-def gem_present(name)
-  !Bundler.rubygems.find_name(name).empty?
+RSpec::Core::RakeTask.new(:spec) do |t|
+  t.exclude_pattern = "spec/acceptance/**/*.rb"
 end
 
-RSpec::Core::RakeTask.new(:spec) do |spec|
-  spec.pattern = FileList['spec/**/*_spec.rb'].exclude('spec/fixtures/**/*_spec.rb')
+RSpec::Core::RakeTask.new(:acceptance) do |t|
+  t.pattern = "spec/acceptance/**/*.rb"
 end
 
 require 'yard'
 YARD::Rake::YardocTask.new
-
-default_tasks = [:spec]
-
-if gem_present 'rubocop'
-  require 'rubocop/rake_task'
-  RuboCop::RakeTask.new
-  default_tasks.unshift(:rubocop)
-end
-
-task default: default_tasks
-
-#### CHANGELOG ####
-begin
-  require 'github_changelog_generator/task'
-  GitHubChangelogGenerator::RakeTask.new :changelog do |config|
-    require 'puppetlabs_spec_helper/version'
-    config.since_tag = 'v2.8.0'
-    config.future_release = "v#{PuppetlabsSpecHelper::VERSION}"
-    config.header = "# Changelog\n\n" \
-      "All significant changes to this repo will be summarized in this file.\n"
-    # config.include_labels = %w[enhancement bug]
-    config.user = 'puppetlabs'
-    config.project = 'puppetlabs_spec_helper'
-  end
-rescue LoadError
-  desc 'Install github_changelog_generator to get access to automatic changelog generation'
-  task :changelog do
-    raise 'Install github_changelog_generator to get access to automatic changelog generation'
-  end
-end