APIs for segmented transports.

api/net/sf/briar/api/plugins/duplex/DuplexPlugin.java

...net/sf/briar/api/plugins/duplex/DuplexPluginCallback.java

api/net/sf/briar/api/plugins/duplex/DuplexPluginFactory.java

...et/sf/briar/api/plugins/duplex/DuplexSegmentedPlugin.java

...iar/api/plugins/duplex/DuplexSegmentedPluginCallback.java

...riar/api/plugins/duplex/DuplexSegmentedPluginFactory.java

...pi/plugins/duplex/DuplexSegmentedTransportConnection.java

...f/briar/api/plugins/duplex/DuplexTransportConnection.java

api/net/sf/briar/api/plugins/simplex/SimplexPlugin.java

...t/sf/briar/api/plugins/simplex/SimplexPluginCallback.java

...et/sf/briar/api/plugins/simplex/SimplexPluginFactory.java

.../sf/briar/api/plugins/simplex/SimplexSegmentedPlugin.java

...r/api/plugins/simplex/SimplexSegmentedPluginCallback.java

...ar/api/plugins/simplex/SimplexSegmentedPluginFactory.java

.../api/plugins/simplex/SimplexSegmentedTransportReader.java

.../api/plugins/simplex/SimplexSegmentedTransportWriter.java

.../sf/briar/api/plugins/simplex/SimplexTransportReader.java

.../sf/briar/api/plugins/simplex/SimplexTransportWriter.java

...sf/briar/api/protocol/duplex/DuplexConnectionFactory.java

.../briar/api/protocol/simplex/SimplexConnectionFactory.java