Revert "dependency on engine.io-client 0.2.3-SNAPSHOT"
Revert "dependency on engine.io-client 0.2.3-SNAPSHOT"

This reverts commit dc84ff959748054ccd7ab3cbbaa466efebffd6ec.

eGxC/socket.io-client-java,nikhilJain17/socket.io-client-java,youxidev/socket.io-client-java,lonely8rain/socket.io-client.java,eGxC/socket.io-client-java,alfredayibonte/socket.io-client.java,saeednt/socket.io-client-java,WeBest/socket.io-client-java,UlrichAbiguime/socket.io-client.java,visualarts/socket.io-client-java,huangsongyan/socket.io-client.java,saeednt/socket.io-client-java,nuan-nuan/socket.io-client-java,ceosilvajr/socket.io-client.java,nikhilJain17/socket.io-client-java,leerduo/socket.io-client.java,ceosilvajr/socket.io-client.java,visualarts/socket.io-client-java,UlrichAbiguime/socket.io-client.java,alfredayibonte/socket.io-client.java,nuan-nuan/socket.io-client-java,youxidev/socket.io-client-java,huangsongyan/socket.io-client.java,stefanli/nkz-socketio,WeBest/socket.io-client-java,stefanli/nkz-socketio,lonely8rain/socket.io-client.java,rainkeyshen/socket.io-client.java,rainkeyshen/socket.io-client.java,leerduo/socket.io-client.java