Units of BTC/MkeyHr are meaningless. Change them to BTC/Gkey (expected
earnings per billion keys generated).
Also display a "total value" before starting a new pubkeybatch. This tells the user
how much they are expected to earn.
Fix units of "value"
Units of BTC/MkeyHr are meaningless. Change them to BTC/Mkey (expected
earnings per million keys generated).
Display total value for selected work
After selecting the work (pubkeybatch), display the total value in
BTC/Mkey so that the user has an idea what their expected earnings are.
Change BTC/Mkey to BTC/Gkey