Instantaneous power cost#155

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bwduncan wants to merge 4 commits intoemoncms:masterfrom

bwduncan:power-cost

Commits on Feb 22, 2021

Remove commented-out code.
bwduncan
committed

Commits on Feb 23, 2021

Instantaneous cost display
bwduncan
committed

Commits on Feb 26, 2021