updated readmes and added linux build scripts

linux/uninstall.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+PREFIX=/usr/local
+
+if [ -n "$1" ] ; then
+  PREFIX="$1"
+fi
+
+echo "Un-Installing PaulXStretch from ${PREFIX} ... (specify destination as command line argument if you have it elsewhere)"
+
+
+if [ -f ${PREFIX}/bin/paulxstretch ] ; then
+  if ! rm -f ${PREFIX}/bin/paulxstretch ; then
+    echo
+    echo "Looks like you need to run this with 'sudo $0'"
+    exit 2
+  fi
+fi
+
+rm -f ${PREFIX}/share/applications/paulxstretch.desktop
+rm -f ${PREFIX}/pixmaps/paulxstretch.png
+
+rm -rf ${PREFIX}/lib/vst3/PaulXStretch.vst3
+
+echo "PaulXStretch uninstalled"