Updated UID generation for jtx Board (#33)

    var location: String? = null

    var locationAltrep: String? = null

    var uid: String = "${System.currentTimeMillis()}-${UUID.randomUUID()}@at.techbee.jtx"

    var uid: String = UUID.randomUUID().toString()

    var created: Long = System.currentTimeMillis()

    var dtstamp: Long = System.currentTimeMillis()