Felix Lange 3c09c5f12d core, miner: move Backend to miner
This ensures that package core doesn't depend on package accounts and
resolves an age-old TODO.
2016-08-17 17:39:04 +02:00
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2016-08-17 17:39:04 +02:00
2016-08-17 17:39:04 +02:00