Run JavaFX Scene Builder with extended classpath to successfully reference third party resources

local_scene_builder.sh

#!/bin/bash
HOME="$USERPROFILE"

SB_HOME="${PROGRAMFILES}/Oracle/JavaFX Scene Builder 2.0"
JAVA_HOME="${PROGRAMW6432}/Java/jdk1.8.0"
PATH="$JAVA_HOME/bin:$PATH"

CLASSPATH="$SB_HOME/app/SceneBuilderKit.jar"
CLASSPATH="$SB_HOME/app/SceneBuilderApp.jar;$CLASSPATH"
CLASSPATH="$CLASSPATH;$HOME/.groovy/grapes/org.freedesktop.tango/tango-icon-theme/jars/tango-icon-theme-0.8.90.jar"

export JAVA_HOME

java -client -classpath "$CLASSPATH" \
    -Xmx1g \
    -Dfile.encoding=UTF-8 \
    "-Djava.library.path=$SB_HOME/app/" \
    "-Djava.util.logging.config.file=$SB_HOME/app/logging.properties" \
    "-Djava.security.policy=$SB_HOME/app/scenebuilder.policy" \
    -Djava.security.manager \
    -Djavafx.autoproxy.disable=true \
    -Dapp.preferences.id=com/oracle/javafx/scenebuilder \
    com.oracle.javafx.scenebuilder.app.SceneBuilderApp