fix NullPointerException in ITicketService and add TestCase

Kevin Walter

2014-04-14 4868740ed7f40ce0cf162f17a8224856ae10a4b0

 src/main/java/com/gitblit/transport/ssh/CachingPublicKeyAuthenticator.java

@@ -34,8 +34,7 @@
import com.google.common.base.Preconditions;

/**
 *
 * @author Eric Myrhe
 * Authenticates an SSH session against a public key.
 *
 */
public class CachingPublicKeyAuthenticator implements PublickeyAuthenticator, SessionListener {