libchronosync: Update to the latest version and build using ndn-cxx 0.7.0

Change-Id: I1ab50f65e1c7477595d0d1d77ab00bd68d61ffbb
diff --git a/libchronosync/debian/control b/libchronosync/debian/control
index a3be7c0..459fd53 100644
--- a/libchronosync/debian/control
+++ b/libchronosync/debian/control
@@ -6,7 +6,7 @@
  pkg-config (>= 0.26),
  python-sphinx (>= 1.1.3),
  libboost-all-dev (>= 1.53.0),
- libndn-cxx-dev (>= 0.6.6),
+ libndn-cxx-dev (>= 0.7.0),
  git
 Standards-Version: 3.9.2
 Section: libs
@@ -23,7 +23,7 @@
 Package: libchronosync-dev
 Section: libdevel
 Architecture: i386 amd64 arm64 armel armhf ppc64el
-Depends: libndn-cxx-dev (>= 0.6.1),
+Depends: libndn-cxx-dev,
  libchronosync (= ${binary:Version})
 Description: Development headers and libraries of sync library for multiuser realtime applications for NDN