ndncert: Initial release

Change-Id: I280c7a059b330e4065f66615165741f411d72168
diff --git a/.gitignore b/.gitignore
index 6763b1f..306d2da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 */work
 *~
 .deb/*
+.DS_Store
\ No newline at end of file