Initial ucam package for Ghostscript v9.52

packages/ghostscript.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<packages:packages xmlns:packages="http://www.wpkg.org/packages">
+
+  <package id="ghostscript" name="GhostScript" revision="%version%.1" reboot="false" priority="71" >
+    <variable name="version" value="9.52" />
+    <variable name="fileversion" value="952" />
+    <check type="uninstall" condition="versiongreaterorequal" path="GPL Ghostscript" value="%version%" />
+
+    <install cmd='%WPKGSOFTWARE%\ghostscript\gs%fileversion%w64.exe /S' />
+
+    <upgrade include="remove" />
+    <upgrade include="install" />
+
+    <remove cmd='cmd /c %WPKGSOFTWARE%\wpkg\tools\waitforprocess.cmd Un_A.exe' />
+    <remove cmd='"%programfiles%\gs\gs%version%\uninstgs.exe" /S' />
+    <remove cmd='cmd /c %WPKGSOFTWARE%\wpkg\tools\waitforprocess.cmd Un_A.exe' />
+  </package>
+
+</packages:packages>