fixed socket destroying if connected is -1 (the connection is closed by server during authorization phase)
dependency on engine.io-client 0.2.3-SNAPSHOT
Revert "dependency on engine.io-client 0.2.3-SNAPSHOT"

This reverts commit dc84ff959748054ccd7ab3cbbaa466efebffd6ec.
Merge pull request #34 from hellpf/master

fixed socket destroying if connected is -1