Merge branch 'pstools' into 'master'

Pstools

See merge request !157

packages/pstools.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <packages:packages xmlns:packages="http://www.wpkg.org/packages">
-  <package id="pstools" name="PSTools" revision="%version%.1" priority="0" reboot="false">
+  <package id="pstools" name="PSTools" revision="%version%.1" priority="70" reboot="false">
     <variable name="version" value="2.45.1" />
 
     <!-- N.B. the installer takes care of creating and removing this reg key as needed -->
@@ -13,6 +13,9 @@
     <upgrade include='remove' />
     <upgrade include='install' />
 
+    <downgrade include='remove' />
+    <downgrade include='install' />
+
     <remove cmd='%wpkgsoftware%\wpkg\tools\waitforprocess.cmd pstools-uninstall.exe' />
     <remove cmd='cmd /c if exist c:\pstools\pstools-uninstall.exe c:\pstools\pstools-uninstall.exe' />
     <remove cmd='%wpkgsoftware%\wpkg\tools\waitforprocess.cmd pstools-uninstall.exe' />