add JedisDataException and JedisConnectionException

src/main/java/redis/clients/jedis/exceptions/JedisConnectionException.java

@@ -0,0 +1,17 @@
+package redis.clients.jedis.exceptions;
+
+public class JedisConnectionException extends JedisException {
+    private static final long serialVersionUID = 3878126572474819403L;
+
+    public JedisConnectionException(String message) {
+        super(message);
+    }
+
+    public JedisConnectionException(Throwable cause) {
+        super(cause);
+    }
+
+    public JedisConnectionException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}