Added support for unix domain sockets on POSIX systems
Fixed whitespace
Merge pull request #1 from aianus/unixdomainsockets

Added support for unix domain sockets on POSIX systems

Implemented support for connecting to redis over a unix domain socket
Implemented unit tests

Tested and benchmarked on Linux and Solaris x86 against redis-2.6.8

Observed 2x performance increase on Linux and 10% performance increase on Solaris vs TCP/IP loopback using a chunk size of 4.