Updates version in README
Python on Mavericks enables -mno-fused-madd not supported by clang
Updated to use rabbitmq-c 0.5.0 and exposes Connection.server_properties
Connection.fileno() now raises AttributeError if fd not set and close sets fd to 0.  Closes #39
exchange_delete now supports the nowait parameter (but ignored).  Closes celery/kombu#321
Maybe fixes memory leak in basic_publish.  Closes #38
Use channel memory pools
Bumps version to 1.5.0 and updates Changelog
Properly handle socket open errors.  Closes #40
Use rabbitmq-3.3.0 codegen
Enable -lrt on Linux.  Closes #42
Fix issue with clock_gettime().

Works on Ubuntu v12.04.
pre merge
Merge branch 'rogerhu/fix_clockgettime' into 1.5
Adds Roger Hu to AUTHORS
Bumps version to 1.5.1 and updates Changelog
Tables/Arrays in properties/headers can now be of type nil (None)
Do not decref Nonetype
Use amqp_maybe_release_buffers_on_channel instead of amqp_maybe_release_buffers
Need to release all buffers in recv