- Created test for remove participant not found
- Created test for deliver message to a participant
Created tests for finalizeRegisterParticipant. 
Created test for finalizeRemoveParticipant.
Changed package name in src/test/java to
org.ualerts.chat.service.api.concrete to match tested classes
- Added a second Participant to test delivery of broadcast message
Added test to ConcreteConversationTest to test
deliverParticipantMessage.
Removed unnecessary assertions from ConcreteParticipant.
Merge pull request #22 from ualerts-org/testingOfServerSideCode_ACE-57

Testing of server side code ace 57