hipchat.go
func (c *Client) Say(roomId, name, body string) {
	c.connection.MUCSend("groupchat", roomId, c.Id+"/"+name, body)
}
func (c *Client) Say(roomId, name, body string) {
	c.connection.MUCSend("groupchat", roomId, c.Id+"/"+name, body)
}
// Say accepts a room id, the name of the client in the room, and the message
// body and sends the message to the HipChat room.