ndn-cxx, nfd: Update to the 0.3.4 release

Bump other packages to be rebuilt with the new library

nlsr and ndn-traffic-generator include additional patches

Change-Id: Ia15e2def6820442b20cd4b231242e09051739a8a
Refs: #3132
diff --git a/repo-ng/Makefile b/repo-ng/Makefile
index cee6e50..e194106 100644
--- a/repo-ng/Makefile
+++ b/repo-ng/Makefile
@@ -11,6 +11,6 @@
 VERSION=0.0.8
 
 # PPA version
-PPA_VERSION=3
+PPA_VERSION=4
 
 include ../packaging.mk