Bulk Operation

VOL-4077 Merge changes to voltha protos, lib-go, openolt, openonu adapter and openolt agent

VOL-4077 Changes to techprofile module for using protobuf definitions of techprofile template and instance

VOL-4077 Create protobuf message definitions for techprofile template, techprofile instance and resource instance

VOL-4077 Test openolt adapter custom image + rw-core custom image with storage improvements

VOL-4077 Scale testing with BBSIM after all coding is complete

VOL-4077 Verify agent changes with openolt-scale-tester

VOL-4077 BBSIM changes for storage improvements

VOL-4077 Changes in openolt adapter for storage improvements

VOL-4077 Changes in agent to deduce symmetric flow-id, and also to pass {onu,uni} information in PacketIndication