- change satoshis to crypto_atoms in db (ask neal about this)

- on upgrade, make sure we're not sending out lots of notifications

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If machine is polling when server starts:

TypeError: Cannot read property 'cashIn' of undefined
    at /Users/josh/projects/lamassu-server/lib/routes.js:83:22
    at /Users/josh/projects/lamassu-server/lib/plugins.js:271:12
    at /Users/josh/projects/lamassu-server/lib/postgresql_interface.js:619:7
    at null.callback (/Users/josh/projects/lamassu-server/lib/postgresql_interface.js:129:5)
    at Query.handleReadyForQuery (/Users/josh/projects/lamassu-server/node_modules/pg/lib/query.js:89:10)
    at null.<anonymous> (/Users/josh/projects/lamassu-server/node_modules/pg/lib/client.js:163:19)
    at emitOne (events.js:82:20)
    at emit (events.js:169:7)
    at Socket.<anonymous> (/Users/josh/projects/lamassu-server/node_modules/pg/lib/connection.js:109:12)
    at emitOne (events.js:77:13)