Switch to using Docker

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

factory/lib/30_templates.sh

@@ -1,34 +0,0 @@
-#!/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
-
-TEMPLATE_DIR="$SCRIPT_DIR/resources/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"
-}
-
-# path where common apache files will be installed. 
-WISSKI_COMMON_PATH="/etc/apache2/conf/wisski"