Switch from ThirdPartyResources to CustomResourceDefinitions (#381)

Switch Fission's storage over to the new CustomResourceDefinitions, from the deprecated ThirdPartyResources. This allows us to be compatible with Kubernets 1.8 and onwards.

This also adds a CLI tool for dumping state from an old fission version and restoring state into new CRDs.

The storage service is unaffected by this change.

controller/crd.go

@@ -0,0 +1,40 @@
+/*
+Copyright 2016 The Fission Authors.
+
+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 controller
+
+import (
+	"errors"
+	"regexp"
+
+	"github.com/fission/fission/crd"
+)
+
+func makeCRDBackedAPI() (*API, error) {
+	fissionClient, kubernetesClient, _, err := crd.MakeFissionClient()
+	if err != nil {
+		return nil, err
+	}
+	return &API{fissionClient: fissionClient, kubernetesClient: kubernetesClient}, nil
+}
+
+func validateResourceName(name string) error {
+	re := regexp.MustCompile(`[a-z0-9]([-a-z0-9]*[a-z0-9])?`)
+	if len(re.FindString(name)) != len(name) {
+		return errors.New("Name must consist of lower case alphanumeric characters or '-', and must start and end with an alphanumeric character (e.g. 'my-name',  or '123-abc', regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?'")
+	}
+	return nil
+}