Convert from java.util.date to JodaTime
http://joda-time.sourceforge.net/quickstart.html
Each datetime class provides a variety of constructors. These include the Object constructor. This allows you to construct, for example, DateTime from the following objects:
* Date - a JDK instant* Calendar - a JDK calendar* String - in ISO8601 format* Long - in milliseconds* any Joda-Time datetime class