Coinffeine/coinffeine — pull request #182 by edrevo (2014-06-17 16:21:46+00:00)
Title: Add failure handling for SellerExchangeActor

**Description** Same as https://github.com/Coinffeine/coinffeine/pull/175 but for the SellerExchangeActor this time
**Testing** Tests added, tests pass.