ndn-cxx, nfd: Bumping version of 0.2.0-rc2

nlsr: Bumping to the latest release

ndn-tlv-ping, ndn-traffic-generator, ndndump, repo-ng: Bumping ppa version to
force rebuild against the latest version of the library.
diff --git a/ndndump/debian/control b/ndndump/debian/control
index 4caf713..647722c 100644
--- a/ndndump/debian/control
+++ b/ndndump/debian/control
@@ -5,7 +5,7 @@
  python (>= 2.7.0),
  pkg-config (>= 0.26),
  libpcap-dev,
- ndn-cxx-dev (>= 0.2.0~rc1.1)
+ ndn-cxx-dev (>= 0.2.0~rc2)
 Standards-Version: 3.9.2
 Section: net
 Homepage: http://github.com/named-data/ndndump