mgmt+core: Moving SegmentPublisher to core/ and removing KeyChain from nfd::AppFace

This change ensures interface uniformity between nfd::AppFace and
ndn::Face and allow now templated version of SegmentPublisher to be used
with either.

Change-Id: I82e29528b13b37bd2ae27ef47db30e8c87c15a38
Refs: #1749
diff --git a/daemon/mgmt/strategy-choice-publisher.hpp b/daemon/mgmt/strategy-choice-publisher.hpp
index d19a92e..8322b63 100644
--- a/daemon/mgmt/strategy-choice-publisher.hpp
+++ b/daemon/mgmt/strategy-choice-publisher.hpp
@@ -26,18 +26,20 @@
 #ifndef NFD_DAEMON_MGMT_STRATEGY_CHOICE_PUBLISHER_HPP
 #define NFD_DAEMON_MGMT_STRATEGY_CHOICE_PUBLISHER_HPP
 
-#include "mgmt/segment-publisher.hpp"
+#include "core/segment-publisher.hpp"
+#include "mgmt/app-face.hpp"
 
 namespace nfd {
 
 class StrategyChoice;
 
-class StrategyChoicePublisher : public SegmentPublisher
+class StrategyChoicePublisher : public SegmentPublisher<AppFace>
 {
 public:
   StrategyChoicePublisher(const StrategyChoice& strategyChoice,
-                          shared_ptr<AppFace> face,
-                          const Name& prefix);
+                          AppFace& face,
+                          const Name& prefix,
+                          ndn::KeyChain& keyChain);
 
   virtual
   ~StrategyChoicePublisher();