swarm chat: make API visible and bump daemon version

bin/dbus/cx.ring.Ring.ConfigurationManager.xml

bin/dbus/dbusclient.cpp

bin/dbus/dbusconfigurationmanager.cpp

bin/dbus/dbusconfigurationmanager.h

bin/jni/conversation.i

bin/jni/jni_interface.i

bin/nodejs/conversation.i

configure.ac

src/client/conversation_interface.cpp

src/dring/conversation_interface.h

src/jamidht/jamiaccount.cpp

src/jamidht/jamiaccount.h

test/unitTest/conversation/conversation.cpp