[RFU] unison2.31, unison2.27

[Andrew Schulman]

I forgot to use different Cygwin version numbers for the 1.5 and 1.7
versions of the latest unison* releases.  Please upload new releases
for 1.7, and remove the last releases, as indicated below.  Thanks,
Andrew.

##
## 1.7
##

cd release-2/unison
wget -x -nH --cut-dirs=3 \
 http://home.comcast.net/~andrex2/cygwin-1.7/unison/unison2.31/unison2.31-2.31.4-2.tar.bz2 \
 http://home.comcast.net/~andrex2/cygwin-1.7/unison/unison2.31/unison2.31-2.31.4-2-src.tar.bz2 \
 http://home.comcast.net/~andrex2/cygwin-1.7/unison/unison2.27/unison2.27-2.27.57-4.tar.bz2 \
 http://home.comcast.net/~andrex2/cygwin-1.7/unison/unison2.27/unison2.27-2.27.57-4-src.tar.bz2
rm unison2.27/unison2.27-2.27.57-2*  unison2.31/unison2.31-2.31.4-1*