Clean up READMEs and broken stuff.

Move all support for clouds that are broken with this change into an `icebox` directory.  We'll move that stuff back out as we fix it up.

cluster/rackspace/kube-up.sh

@@ -1,37 +0,0 @@
-#!/bin/bash
-
-# Copyright 2014 Google Inc. All rights reserved.
-#
-# 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.
-
-# Bring up a Kubernetes cluster.
-#
-# If the full release name (gs://<bucket>/<release>) is passed in then we take
-# that directly.  If not then we assume we are doing development stuff and take
-# the defaults in the release config.
-
-# exit on any error
-set -e
-
-source $(dirname $0)/../kube-env.sh
-source $(dirname $0)/../$KUBERNETES_PROVIDER/util.sh
-
-echo "Starting cluster using provider: $KUBERNETES_PROVIDER"
-
-verify-prereqs
-kube-up
-
-# skipping validation for now until since machines show up as private IPs
-# source $(dirname $0)/validate-cluster.sh
-
-echo "Done"