VOL-1497 : Add more control to kv/memory access

- Added kv locking mechanism (etcd only)
- (watch) control path access whenever possible
- (watch) use a transaction for updates and merge with memory
- cleaned up vendoring
- misc changes to fix exceptions found along the way

Amendments:

- Copyright header got removed in auto-generated file
- Changed default locking to false for KV list operation
- Updated backend api to allow the passing of locking parameter

Change-Id: Ie1a55d3ca8b9d92ae71a85ce42bb22fcf1419e2c
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/OWNERS b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/OWNERS
old mode 100755
new mode 100644
index cdb125a..44929b1
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/OWNERS
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/OWNERS
@@ -1,3 +1,5 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
 reviewers:
 - thockin
 - smarterclayton