Clean up: Remove extra handling of 503 response from NettyHttpClient, simplified logic in LoadBalancerExecutor, restore and deprecate getEntity(TypeToken) in HttpResponse for backward compatibility, renamed a few APIs, change default retry next server configuration to be 1.
Merge branch '2.x' of https://github.com/Netflix/ribbon into 2.x
Change default FollowRedirect setting to false to avoid any overhead.
Clean up imports and add copyright headers.
Merge pull request #118 from allenxwang/2.x

Minor changes and optimization