4004: Put "All jobs/pipelines/collections" buttons back onto dashboard.  Also
tweak minimum height of top panels so they line up.
4004: Rename "Compute status" to "Compute and job status".  Added integration
tests for buttons.  Reduced dashboard page rendering time by at least 25% by
batching certain API server requests (previously happing per-object),
4004: Add newlines for readability
Merge branch '4004-restore-dashboard-buttons' closes #4004