Basic barbican configuration

Usual suspects:
- database
- keystone
- messaging

Services:
- apache web site for api's
- worker
- keystone-listener

Barbican:
- Crypto plugins configuration fragments
- Support multiple stores

Add some information to README

Change-Id: Ie58a0daf318c99ea0e41c3c9dd5fcc450f356276
diff --git a/metadata/service/server/plugin/simple_crypto.yml b/metadata/service/server/plugin/simple_crypto.yml
new file mode 100644
index 0000000..65ff497
--- /dev/null
+++ b/metadata/service/server/plugin/simple_crypto.yml
@@ -0,0 +1,6 @@
+parameters:
+  barbican:
+    server:
+      plugin:
+        simple_crypto:
+          kek: ${_param:barbican_simple_crypto_kek}
\ No newline at end of file