Fix FOIA patch spreadsheet instructions typo

In 'Scripts/HowtoUpdateSpreadsheets.rst' fix the bash code that runs
xlsx2csv to reference the proper loop variable.
Add VA VistA FOIA patch 2009 and 2010 spreadsheets

Follow the instructions in 'Scripts/HowtoUpdateSpreadsheets.rst' to add
'Packages/Uncategorized/*.csv' spreadsheets corresponding to xls files:

 $ sha1sum *.xls
 22bf3fe7f17f71d2bcf5e83f9c52bd82ee611f0a Listing_of_Released_VistA_Patches_2009.xls
 4e0e8b3638c6b7e848645a54f5779b7fb2e293ba Listing_of_Released_VistA_Patches_2010.xls
 da735c6376a70e87c951231c9c2deaf0d9d23916 Listing_of_Released_VistA_Patches_2011.xls
 c0b549f72db8d1b0aaac2cf6355b92b147ea348b Listing_of_Released_VistA_Patches_2012.xls

downloaded from:

 https://downloads.va.gov/files/FOIA/Software/DBA_VistA_FOIA_System_Files/Listing_of_Released_VistA_Patches_Past_Years

Add the 2009 and 2010 spreadsheets.  Verify that the 2011 and 2012
spreadsheets have not changed.
Add VA VistA FOIA patch 2013 spreadsheet

Follow the instructions in 'Scripts/HowtoUpdateSpreadsheets.rst' to add
'Packages/Uncategorized/*.csv' spreadsheets corresponding to:

 https://downloads.va.gov/files/FOIA/Software/DBA_VistA_FOIA_System_Files/Listing_of_Released_VistA_Patches_2013.xls

Remove the leading "ALL DOCUMENTATION..." row so the first row has the
column names.  Remove extra rows from the bottom.
Merge branch 'upstream-spreadsheets'
Add Patches/<package>/README.rst files

Add a README.rst to each package directory to document its purpose and
reference the top-level README.rst file.  This will aid users that
arrive in a repository browser through a link pointing directly at a
package directory.

Use the following shell code to create the files from Packages.csv:

tail -n +2 Packages.csv |
egrep '^[^,]+' |
while IFS=, read pkg dir _; do
  mkdir -p "Packages/$dir" &&
  hdr="VistA: $pkg"
  line="$(echo "$hdr"|sed 's/./=/g')" &&
  readme="Packages/$dir/README.rst" &&
  echo >"$readme" \
"$line
$hdr
$line"'

This directory facilitates development and distribution of a VistA package.

See `<../../README.rst>`__ for more information.

-------
Patches
-------

The `<Patches>`__ directory contains patch host files for the package
organized into subdirectories named for each patch.'
done
Add Patches/<package>/Patches/README.rst files

Add a README.rst to each package Patches directory to document its
purpose and reference the package README.rst file.  This will aid users
that arrive in a repository browser through a link pointing directly at
a package Patches directory.

Use the following shell code to create the files from Packages.csv:

tail -n +2 Packages.csv |
egrep '^[^,]+' |
while IFS=, read pkg dir _; do
  mkdir -p "Packages/$dir/Patches" &&
  echo >"Packages/$dir/Patches/README.rst" \
'This directory contains patch host files for a VistA package.
The files are organized into subdirectories named for each patch.

See `<../README.rst>`__ for package details.'
done