Merge pull request #14 from david-farrar/master

cleanup crashed redirector processes
KQueue poller implementation (for FreeBSD / Mac OS X)
Merge pull request #15 from marek-obuchowicz/freebsd

KQueue poller implementation (for FreeBSD / Mac OS X)
fix mixed space/tab indentation
fix typo
PEP and space small fixes
recognition of contribution
more PEP
Merge branch 'master' of https://github.com/Exa-Networks/exaproxy