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

Change-Id: I63b7509280e9cbfa65c804be09c39c4384593f5d
diff --git a/libpsync/Makefile b/libpsync/Makefile
index bda04c5..1eafdd8 100644
--- a/libpsync/Makefile
+++ b/libpsync/Makefile
@@ -2,15 +2,15 @@
 GIT_URL=https://github.com/named-data/PSync.git
 
 # Tag name or commit hash for checkout
-GIT_VERSION=17b266c3a0313d9bf1266f69337da6a3acff983e
+GIT_VERSION=c7d14327bf980992730b15972a2064dc17a586fd
 
 # Package name
 NAME=libpsync
 
 # Package version
-VERSION=0.1.0-6-g17b266c
+VERSION=0.1.0-12-gc7d1432
 
 # PPA version
-PPA_VERSION=1
+PPA_VERSION=2
 
 include ../packaging.mk