Merge branch 'univ_extract' into 'master'

Initial ucam package for Universal Extractor

See merge request !18

packages/univers_extract.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<packages:packages xmlns:packages="http://www.wpkg.org/packages">
+
+  <package id="uni_extractor" name="Universal Extractor" revision="%version%.1" priority="50" reboot="false">
+  <variable name="version" value="1.6.1" />
+  <variable name="fileversion" value="161" />
+
+  <check type="uninstall" path="Universal Extractor %version%" condition="exists" />
+
+  <install cmd='%WPKGSOFTWARE%\universal_extractor\uniextract%fileversion%.exe /sp- /verysilent /suppressmsgboxes /norestart' />
+
+  <upgrade include='remove' />
+  <upgrade include='install' />
+
+  <remove cmd='"%programfiles(x86)%\Universal Extractor\unins000.exe"  /VERYSILENT /suppressmsgboxes /norestart'>
+    <exit code="-1"/>
+  </remove>
+
+  </package>
+</packages:packages>