Eventlet

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* zmq: Fix 100% busy CPU in idle after .bind(PUB) (thanks to Geoff Salmon)
* greenio: Fix socket.settimeout() did not switch back to blocking mode (thanks to Peter Skirko)
* greenio: socket.dup() made excess fcntl syscalls (thanks to Peter Portante)
* setup: Remove legacy --without-greenlet option and unused httplib2 dependency (thanks to Thomas Grainger)
* wsgi: environ[REMOTE_PORT], also available in log_format, log accept event (thanks to Peter Portante)
* tests: Support libzmq 3.0 SNDHWM option (thanks to Geoff Salmon)

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* ssl: Fix 100% busy CPU in socket.sendall() (thanks to Raymon Lu)
* zmq: Return linger argument to Socket.close() (thanks to Eric Windisch)
* tests: SSL tests were always skipped due to bug in skip_if_no_ssl decorator

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* greenio: Fix relative seek() (thanks to AlanP)
* db_pool: Fix pool.put() TypeError with min_size > 1 (thanks to Jessica Qi)
* greenthread: Prevent infinite recursion with linking to current greenthread (thanks to Edward George)
* zmq: getsockopt(EVENTS) wakes correct threads (thanks to Eric Windisch)
* wsgi: Handle client disconnect while sending response (thanks to Clay Gerrard)
* hubs: Ensure that new hub greenlet is parent of old one (thanks to Edward George)
* os: Fix waitpid() returning (0, 0) (thanks to Vishvananda Ishaya)
* tpool: Add set_num_threads() method to set the number of tpool threads (thanks to David Ibarra)
* threading, zmq: Fix Python 2.5 support (thanks to Floris Bruynooghe)
* tests: tox configuration for all supported Python versions (thanks to Floris Bruynooghe)
* tests: Fix zmq._QueueLock test in Python2.6
* tests: Fix patcher_test on Darwin (/bin/true issue) (thanks to Edward George)
* tests: Skip SSL tests when not available (thanks to Floris Bruynooghe)
* greenio: Remove deprecated GreenPipe.xreadlines() method, was broken anyway

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* ZeroMQ support calling send and recv from multiple greenthreads (thanks to Geoff Salmon)
* SSL: unwrap() sends data, and so it needs trampolining (104 thanks to Brandon Rhodes)
* hubs.epolls: Fix imports for exception handler (123 thanks to Johannes Erdfelt)
* db_pool: Fix .clear() when min_size > 0
* db_pool: Add MySQL's insert_id() method (thanks to Peter Scott)
* db_pool: Close connections after timeout, fix get-after-close race condition with using TpooledConnectionPool (thanks to Peter Scott)
* threading monkey patch fixes (115 thanks to Johannes Erdfelt)
* pools: Better accounting of current_size in pools.Pool (91 thanks to Brett Hoerner)
* wsgi: environ['RAW_PATH_INFO'] with request path as received from client (thanks to dweimer)
* wsgi: log_output flag (thanks to Juan Manuel Garcia)
* wsgi: Limit HTTP header size (thanks to Gregory Holt)
* wsgi: Configurable maximum URL length (thanks to Tomas Sedovic)

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* SO_REUSEADDR now correctly set.

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* ZeroMQ support without an explicit hub now implemented! Thanks to Zed Shaw for the patch.
* zmq module supports the NOBLOCK flag, thanks to rfk. (76)
* eventlet.wsgi has a debug flag which can be set to false to not send tracebacks to the client (per redbo's request)
* Recursive GreenPipe madness forestalled by Soren Hansen (77)
* eventlet.green.ssl no longer busywaits on send()
* EEXIST ignored in epoll hub (80)
* eventlet.listen's behavior on Windows improved, thanks to Nick Vatamaniuc (83)
* Timeouts raised within tpool.execute are propagated back to the caller (thanks again to redbo for being the squeaky wheel)