Changed paths:
M dashboard/app/coverage.go
M dashboard/app/public_json_api.go
M dashboard/app/public_json_api_test.go
M pkg/coveragedb/coveragedb.go
M pkg/coveragedb/time_period.go
Log Message:
-----------
dashboard/app: ns/cover?jsonl=1 supports manager and subsystem selection
1. Refactor handleHeatmap.
2. Introduce function options. Build them from http.Request.