Tagging 1.4.0

1. 3be3524 Minor fix for xpon tcont CLI command by Jonathan Hart · 6 years ago
2. 97bef1e VOL-400: configurable alloc-id and gemport-id with min gemid=1024 by Chip Boling · 7 years ago
3. 176f1db VOL-172: Support configuration of traffic descriptor profile for upstream BW allocation to ONU by Nikolay Titov · 7 years ago
4. 3f0c9dd VOL-288: Minor fixes for xPON cli in VOLTHA by Nikolay Titov · 7 years ago
5. 89004ec Adds support for BBF WT-385 xPON model: by Nikolay Titov · 7 years ago