Add new package IBM SPSS Statistics v25

spss.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--  vim: set softtabstop=3: -->
+<packages>
+<package id="spss" name="IBM SPSS Statistics" revision="%version%.1" priority="0" reboot="false">
+<variable name="version" value="25" />
+
+<check type="uninstall" condition="exists" path="IBM SPSS Statistics %version%" />
+
+<!-- run the exe installer and poke around in %temp% to find the MSI that it unpacks -->
+
+<install cmd='msiexec /i "%software%\spss\v%version%\Windows\IBM SPSS Statistics %version%.msi" /qn /l* c:\netinst\logs\spss-v%version%-install.log AUTHCODE="4863c342f0d864cec142"' />
+
+<upgrade include='install' />
+
+<remove cmd='msiexec /qn /x {C2D1E17D-CB8A-4742-84FA-1DB5C6A1ABDD}' />
+
+</package>
+</packages>