Clean up and document better. (#7) #122

Job	Run time
runtime-container-job	56s
builder-container-job	6m 10s
spacktainer-build-job (appositionizer)	3m 39s
spacktainer-build-job (brain-indexer)	5m 43s
spacktainer-build-job (brayns)	8m 44s
spacktainer-build-job (connectome-manipulator)	20m 8s
spacktainer-build-job (functionalizer)	12m 26s
spacktainer-build-job (multiscale-run)	6m 41s
spacktainer-build-job (neurodamus-hippocampus)	5m 53s
spacktainer-build-job (neurodamus-neocortex)	5m 17s
spacktainer-build-job (system-benchmarks)	2m 17s
	1h 17m 54s

Provide feedback