Revert "Use faraday"

This reverts commit 533ec1bb115567bb584c5a83c3316e7b91f7ef9b.

Conflicts:
	lib/shutl/resource/configuration.rb
	lib/shutl/resource/rest_class_methods.rb
	lib/shutl_resource.rb
	shutl_resource.gemspec
	spec/spec_helper.rb
bump version to 1.0.0