* Don't try to ignore SIGPIPE in Windows (it doesn't exist).
* Add an include to our win32.h compatibility header.
* Enable building examples on Travis in Windows.
See #831
To minimize code changes, a simple `u` (or UNIX, Unix, unix, etc -- as
long as the first character is u or U) is used as a marker for the
'port' argument. In this case, the hostname is interpreted to be the
path to the unix socket.
Michael Grunder
Mark Nunberg
Sergey Polovko
antirez
Wolfgang Richter
Rafael Zanella
Aaron Bedra