face: use IncomingFaceId, NextHopFaceId, CachePolicy tags

This commit replaces all LocalControlHeader usages with these tags,
and deletes LocalFace.

This commit also does minor improvements in RIB test suites.

refs #3339

Change-Id: I14cbfc296a6723a5860bf8bd95d9804d3bac3da5
diff --git a/daemon/face/lp-face.hpp b/daemon/face/lp-face.hpp
index 17746f2..130fe00 100644
--- a/daemon/face/lp-face.hpp
+++ b/daemon/face/lp-face.hpp
@@ -42,7 +42,7 @@
 const FaceId INVALID_FACEID = 0;
 /// identifies the InternalFace used in management
 const FaceId FACEID_INTERNAL_FACE = 1;
-/// identifies a packet comes from the ContentStore, in LocalControlHeader incomingFaceId
+/// identifies a packet comes from the ContentStore
 const FaceId FACEID_CONTENT_STORE = 254;
 /// identifies the NullFace that drops every packet
 const FaceId FACEID_NULL = 255;