Add missing close calls
Merge pull request #39 from edrevo/close-stuff

Add missing close calls
Introduce model module
Move model classes from coinffeine-common
Move models from coinffeine-server
Merge pull request #40 from sortega/task/95_modules

Introduce coinffeine-model module
Remove unused dependency from coinffeine-model
Fix module identifiers

The name field is not appropriate for human readable names. They have
replaced by lowercased, hyphen-delimited identifiers.
Introduce coinffeine-protocol module
Move protocol classes to coinffeine-protocol
Fix imports on the whole project
Add package scaladoc to coinffeine.protocol
Merge pull request #41 from sortega/task/95_modules

Introduce `coinffeine-protocol` module
Morph coinffeine-client to coinffeine-peer

And reorganize package structure
Make coinffeine-server depend on coinffeine-peer
Move some actors from common to peer
Merge pull request #42 from sortega/task/95_modules

Create coinffeine-peer module
Move payment processor classes to coinffeine-peer
Move stuff from common to coinffeine-server

And remove the com package prefix
Move the rest for common to coinffeine-peer