Fix issue #74
Merge branch 'master' of github.com:Netflix/RxNetty into redirect
Fix Issue #28
Make sure Host header is set correctly when following redirect.

Address issues raised in pull request https://github.com/Netflix/RxNetty/pull/75
clean up imports
Fix the problem that adding read timeout option causes redirect failure.
Fix comment.
Merge pull request #86 from allenxwang/redirect

Implement HTTP follow redirect and fix issue #74