Coinffeine/coinffeine — pull request #191 by sortega (2014-06-24 10:46:41+00:00)
Title: Implement DefaultMicroPaymentChannel

**Description:** complete the implementation of `DefaultMicroPaymentChannel`. To do so, make some preliminary changes to make it easy to implement (extract test utilities, fix auxiliar classes problems).
**Testing:** tests pass
**Coverage:** XX % for the impl package and YY % for the coinffeine-common module