Added an extra parameter to all calls to timeout().  
1 means we want to set the write timeout
0 means we wnat to set the read timeout

viossl.c:
  Add which parameter to ssl timeout routine
vio_priv.h:
  Added which parameter to vio_ignore_timeout and vio_ssl_timeout
violite.h:
  Add which parameter to vio_timeout sigs
net_serv.cc:
  Use proper which code in call to vio_timeout to set the proper timeout
viosocket.c:
  Set the appropriate timeout in vio_timeout