Bugfix: pass an actual wallet to the ExchangeActor
Improve handshake result logging
Handle FundsBlockingError in HandshakeActor
Make PimpMyWallet.valueOf handle empty sequences
Wait for the peers to have bitcoins available
Fix how exchanges are exposed at CoinffeineNetwork
Check that perfect-match exchanges start

Instead of just enabling an ignored test, move the corresponding
assertions to the perfect match scenario already enabled.
Merge pull request #105 from gotoalberto/task/138

Add support in OrderActor to manage block funds.
Merge pull request #104 from sortega/task/137_enable

Enable integration test checking for exchange start
IT for the perfect match, happy path exchange

The scenario is disabled as the code is not yet ready for it.
Consider that ask orders require no fiat blocking

There is a major bug in `OrderActor`: it requests funds blocking to the payment
processor regardless the order type. And, for ask orders, no fiat blocking is
required. This commit fixes the unit test and the implementation according to
this reality.
Merge pull request #106 from sortega/task/137_happy_path

IT for the perfect match, happy path exchange
Merge pull request #107 from apoloval/fix/OrderActor

Consider that ask orders require no fiat blocking