Initial commit

- cpisign.py
   - initial work and logic by Wei-Yu
   - converted to use python cryptography (stable API) instead of
      OpenSSL by Zack)
- Basic lint, license tests

Change-Id: I05e9c0fbce339fc3bd187120174dcfde0299852f
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..eee3b49
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,5 @@
+[gerrit]
+host=gerrit.opencord.org
+port=29418
+project=cbrstools.git
+defaultremote=origin