switch to ndn-cxx KeyChain v2

ValidatorConfig is temporarily disabled. All commands are
authorized without validation.

refs #4091

Change-Id: I4eea8cd954761424d2d084bda4e8510320b5fb46
diff --git a/src/handles/write-handle.cpp b/src/handles/write-handle.cpp
index 16c622e..862616a 100644
--- a/src/handles/write-handle.cpp
+++ b/src/handles/write-handle.cpp
@@ -28,8 +28,8 @@
 static const milliseconds DEFAULT_INTEREST_LIFETIME(4000);
 
 WriteHandle::WriteHandle(Face& face, RepoStorage& storageHandle, KeyChain& keyChain,
-                         Scheduler& scheduler,// RepoStorage& storeindex,
-                         ValidatorConfig& validator)
+                         Scheduler& scheduler,
+                         Validator& validator)
   : BaseHandle(face, storageHandle, keyChain, scheduler)
   , m_validator(validator)
   , m_retryTime(RETRY_TIMEOUT)