Make appveyor ignore builds for /travis.*/ and vice versa. If you're
only testing a Windows change, building for OSX and Linux too is a bit
rude.
Signed-off-by: Adam Jackson <ajax@redhat.com>
This currently does an autotools build using Cygwin.
Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
Reviewed-by: Adam Jackson <ajax@redhat.com>