Mockrunner 0.4 released

This main release adds compatibility for Java 6 and Java EE 5. Changes include:

- Full JDBC 4.0 support including the SQL XML data type
- Full Servlet 2.5 and JSP 2.1 support
- Introduction of the JasperJspFactory which allows EL evaluation using
the Unified Expression Language API
- Introduction of RuntimeAttribute to simulate scriptlets and EL expressions as tag attributes
- many small bug fixes