removed ace from git, use the one from share in stead.

added installit script.

installit

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+# TODO: rewrite in node
+
+set -e
+
+current_dir=$(cd $(dirname $0) && pwd)
+cd ${current_dir}
+
+mkdir -p ./public/lib/knockout
+if [ ! -f ./public/lib/knockout/knockout.mapping-latest.js ]; then
+  cd ./public/lib/knockout
+  curl -O https://raw.github.com/SteveSanderson/knockout.mapping/master/build/output/knockout.mapping-latest.js
+  cd ${current_dir}
+fi
+
+