vendor: update all dependencies to latest versions

vendor/github.com/Azure/go-autorest/autorest/validation/validation.go

@@ -3,6 +3,20 @@ Package validation provides methods for validating parameter value using reflect
 */
 package validation
 
+// Copyright 2017 Microsoft Corporation
+//
+//  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.
+
 import (
 	"fmt"
 	"reflect"
@@ -91,15 +105,12 @@ func validateStruct(x reflect.Value, v Constraint, name ...string) error {
 		return createError(x, v, fmt.Sprintf("field %q doesn't exist", v.Target))
 	}
 
-	if err := Validate([]Validation{
+	return Validate([]Validation{
 		{
 			TargetValue: getInterfaceValue(f),
 			Constraints: []Constraint{v},
 		},
-	}); err != nil {
-		return err
-	}
-	return nil
+	})
 }
 
 func validatePtr(x reflect.Value, v Constraint) error {

vendor/github.com/Azure/go-autorest/autorest/validation/validation_test.go

@@ -1,5 +1,19 @@
 package validation
 
+// Copyright 2017 Microsoft Corporation
+//
+//  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.
+
 import (
 	"fmt"
 	"reflect"