Split off config REST endpoints from giant server lib

Move Collections and RestViews for config into server/restapi/ They
form a new java_library which uses the server package as a client.

Resources stay put so plugins that handlers for existing resources do
not break.

Change-Id: I724cb3efe160d2f62fa1a67823999abad589e246

java/com/google/gerrit/server/restapi/config/RestCacheAdminModule.java

@@ -0,0 +1,33 @@
+// Copyright (C) 2014 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.server.restapi.config;
+
+import static com.google.gerrit.server.config.CacheResource.CACHE_KIND;
+import static com.google.gerrit.server.config.ConfigResource.CONFIG_KIND;
+
+import com.google.gerrit.extensions.registration.DynamicMap;
+import com.google.gerrit.extensions.restapi.RestApiModule;
+
+public class RestCacheAdminModule extends RestApiModule {
+
+  @Override
+  protected void configure() {
+    DynamicMap.mapOf(binder(), CACHE_KIND);
+    child(CONFIG_KIND, "caches").to(CachesCollection.class);
+    get(CACHE_KIND).to(GetCache.class);
+    post(CACHE_KIND, "flush").to(FlushCache.class);
+    get(CONFIG_KIND, "summary").to(GetSummary.class);
+  }
+}