Add VA VistA patches from Dec 2013 to Mar 2014

Follow the instructions in 'Scripts/HowtoDownloadPatches.rst' to
download patches from the VA FOIA site.  Use the following shell code to
produce the URL list and pipe it to wget:
{
for f in \
 "2013/December 2013" \
 "2014/January 2014" \
 "2014/February 2014" \
 "2014/March 2014" \
; do
  echo "https://downloads.va.gov/files/FOIA/Software/Patches by Year and Month Released/$f/"
done
}

Retrieve .TXT/.KID files posted as of 2014-04-29.

OSEHRA-Id: http://issues.osehra.org/browse/VAF-175
Change-Id: Ib4a599347dcc7875ca50167c54237fba0c78c069
Merge "Add VA VistA patches from Dec 2013 to Mar 2014"