manifest limitation on server options about glue

[csrl]

May I suggest a change something to the affect of:

diff --git a/lib/index.js b/lib/index.js
index 5fef30a..22b555b 100755
--- a/lib/index.js
+++ b/lib/index.js
@@ -13,19 +13,8 @@ var internals = {};


 internals.schema = Joi.object({
-    server: Joi.object({
-        app: Joi.object().allow(null),
-        debug: Joi.object({
-            request: Joi.array().allow(false)
-        }).allow(false),
-        cache: Joi.alternatives([
-            Joi.string(),
-            Joi.object(),
-            Joi.func(),
-            Joi.array().includes(Joi.object()).min(1)
-        ]).allow(null)
-    }),
-    connections: Joi.array().required().min(1),
+    server: Joi.object(),
+    connections: Joi.array(),
     plugins: Joi.object()
 });

@@ -114,8 +103,12 @@ exports.compose = function (manifest /*, [options], callback */) {
     var server = new Hapi.Server(packSettings);

     // Load connections
+    var connections = manifest.connections;
+    if (0 === connections.length) {
+        connections.push({});
+    }

-    manifest.connections.forEach(function (connection) {
+    connections.forEach(function (connection) {

         server.connection(connection);
     });

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