Create a upstream repos validator

This Unit Test helps to validate the usage of the official
repositrories and fails in case that a minimum are not used.

Change-Id: Id5a922163a8a0d16de5460aee92e5cced3f285a3
Signed-off-by: Victor Morales <victor.morales@intel.com>
Issue-Id: INT-289
diff --git a/.gitignore b/.gitignore
index f3b07b8..48c5c1c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@
 .vagrant
 *~
 .checkstyle
+.DS_Store