pyuv-0.11.4

• Adapted to API changes in libuv
• Add UDP.set_multicast_interface function
• Export UV_UDP_REUSEADDR constant
• Accept '' as a valid address to bind to
• Added filesystem watch example
• Implement _fileno() for Stream and UDP
• Accept bytes objects in Pipe.bind
• Added Pipe.getsockname function
• Fix build on FreeBSD
• Use a 64KB slab buffer per loop
• Fixed process noargs test on Windows
• Speed up offset tests on Windows
• Allow compilation using Windows SDK
• Move common functions to common.c
• Removed Loop.walk
• Only accept bytes on fs.write
• Add FSPoll.path property
• Renamed FSEvent.filename property to path
• Avoid using VS 2013 when compiling libuv
• Fixed TCP try_write test
• Raised libuv revision to 69f9f6f (master branch)