Update storjscan API payment type to use currency.Amount for token and
usd values.
Update storjscan version for testsuite intgration tests.
Change-Id: Ie4ba7277b25d0d297a0130a8b885d6d38ff5eea4
Remove pkg satellite/payments/monetary as it moved to storj.io/common.
Update all code pkg references from monetary to common/currency.
Change-Id: If2519f4c80cf315a9299e6521a6b9bbc6c399156
Adds USDMicro currency which support fraction of a cent with decimal places
for better billing amounts accuracy.
Adds JSON marshaling and unmarshaling for monetary.Amount, so that it
can be converted to/from JSON.
Change-Id: I034eba120ed23b6ba00b2d81a4f1b9db5f9a203f
Adds test for storjcan chore which creates one tx for claimed
wallet, triggers chore to query new payments from storjscan and
uses service to retrieve payment.
Change-Id: Ic774213420f1b01d8adfeeb5ca8054d9c918e7b1
