modified:   build.xml
	new file:   client/Client.java
	new file:   client/Main.java
	new file:   client/ReadListener.java
	new file:   client/TaskRead.java
	renamed:    src/Main.java -> server/Main.java
	renamed:    src/MessageManager.java -> server/Server.java
	new file:   server/command/Command.java
	new file:   server/model/Client.java
	new file:   server/model/Message.java
	new file:   server/model/Queue.java
	renamed:    src/TaskEcho.java -> server/task/TaskEcho.java