Tagging version compatible with VOLTHA 1.4.0

1. 3cad49d VOL-1050 Delay stats collection after connection by Nicolas Palpacuer · 6 years ago
2. 0f19b1a Port statistics collection by Nicolas Palpacuer · 6 years ago
3. b78def4 VOL-929 Uplink packet out by Nicolas Palpacuer · 6 years ago
4. 58d252c VOL-772 close grpc stream when connection is lost by Nicolas Palpacuer · 6 years ago
5. 7be062f VOL-771 OLT heartbeat by nick · 6 years ago
6. b7b0ced VOL-669: code reorg by Shad Ansari · 6 years ago
7. f2e27a4 VOL-669: Add packet-out support by Shad Ansari · 6 years ago voltha-1.3.0
8. 01b0e65 Initial commit. by Shad Ansari · 6 years ago