GUACAMOLE-27: Add Docker image from old guacamole-docker repository. Update license.

guacamole-docker/bin/download-guacamole.sh

@@ -0,0 +1,49 @@
+#!/bin/sh -e
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+##
+## @fn download-guacamole.sh
+##
+## Downloads Guacamole, saving the specified version to "guacamole.war" within
+## the given directory.
+##
+## @param VERSION
+##     The version of guacamole.war to download, such as "0.9.6".
+##
+## @param DESTINATION
+##     The directory to save guacamole.war within.
+##
+
+VERSION="$1"
+DESTINATION="$2"
+
+#
+# Create destination, if it does not yet exist
+#
+
+mkdir -p "$DESTINATION"
+
+#
+# Download guacamole.war, placing in specified destination
+#
+
+echo "Downloading Guacamole version $VERSION to $DESTINATION ..."
+curl -L "http://sourceforge.net/projects/guacamole/files/current/binary/guacamole-${VERSION}.war" > "$DESTINATION/guacamole.war"
+