Switch to using Docker

This commit refactors all code in this project to make use of docker.
This has not yet been documented properly.

distillery/lib/40_templates.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+set -e
+
+# This is a library file. 
+# It should be 'source'd only, if it is not we bail out here. 
+if [[ "$0" = "$BASH_SOURCE" ]]; then
+   echo "This file should not be executed directly, it should be 'source'd only. "
+   exit 1;
+fi
+
+RESOURCE_DIR="$SCRIPT_DIR/resources"
+TEMPLATE_DIR="$RESOURCE_DIR/templates/"
+
+# load_template will load a template $1 from the template directory
+# and replace ${$2} with $3, ${$4} with $5 etc. 
+# echoes out the replaced template
+function load_template() {
+    # read the template then remove the argument
+    TEMPLATE=`cat "$TEMPLATE_DIR/$1"`
+    shift 1;
+
+    # while we have a variable to substiute
+    while [ ! -z "$1" ]
+    do
+        # do the substitution
+        TEMPLATE="${TEMPLATE//\$\{$1\}/$2}"
+        shift 2
+    done;
+
+    # finally echo out the template
+    echo "$TEMPLATE"
+}
+
+# install_resource_dir will copy over a resource directory
+# to a destination path recursively. 
+function install_resource_dir() {
+    from="$RESOURCE_DIR/$1"
+    to=$2
+
+    # copythe template files
+    for filename in "$from"/*; do
+        dest="$to/`basename "${filename}"`"
+        echo "Writing \"$dest\""
+        cp -r "$filename"  "$dest"
+    done
+}
+
+# path where common apache files will be installed. 
+WISSKI_COMMON_PATH="/etc/apache2/conf/wisski"