Merge branch 'cleanup-rubocop-offenses' of https://github.com/meatballhat/resque-scheduler into meatballhat-cleanup-rubocop-offenses

Conflicts:
	.rubocop.yml
	lib/resque/scheduler.rb
	lib/resque_scheduler/util.rb
	test/cli_test.rb
	test/resque-web_test.rb

Resolving conflicts for merging #341