nfd: Don't install upstart script for nrd and make sure default certificates are correct

Change-Id: I665dc568e0f5f5cc92e461977175a7f40d6d2e0d
Refs: #10, #9, #5
diff --git a/nfd/debian/nfd.conf b/nfd/debian/nfd.conf
index 1119c9a..bc93199 100644
--- a/nfd/debian/nfd.conf
+++ b/nfd/debian/nfd.conf
@@ -96,7 +96,7 @@
 {
   authorize
   {
-    certfile certs/localhost_daemons_nrd.ndncert
+    certfile certs/localhost_daemons_nfd.ndncert
     privileges
     {
         faces