Initialize streamer class.
Add streamer query process.
Remove obsolete files.
Remove unnecessary event.
Remove empty module.
Initialize socket handler.
Merge branch 'develop' of github.com:TID-Lab/aggie into 1016_streamer
Use socket handler to stream query results to authenticated clients.
Create query normalization function.
Add query normalization function, track socket clients per query.
Add tests for query comparison.
minor code fix.
Fix merge conflicts; lint code.
Use SocketQueryGroup to track query listeners; add socket tests.
Fix merge conflicts.
Cache hash inside client query object.
Merge branch '1016_streamer' into develop