libpsync: add PSync and update NLSR dependency

refs: #4827

Change-Id: I83df4c0532258f490b855335bf94600cc71d7a65
diff --git a/libpsync/Makefile b/libpsync/Makefile
new file mode 100644
index 0000000..9865ef2
--- /dev/null
+++ b/libpsync/Makefile
@@ -0,0 +1,16 @@
+# URL for git clone
+GIT_URL=https://github.com/named-data/PSync.git
+
+# Tag name or commit hash for checkout
+GIT_VERSION=0.1.0
+
+# Package name
+NAME=libpsync
+
+# Package version
+VERSION=0.1.0
+
+# PPA version
+PPA_VERSION=1
+
+include ../packaging.mk