Added resource-ref to web.xml. While Tomcat is lenient on having this in web.xml, other servers (Jetty, for example) may not be. http://tomcat.apache.org/tomcat-7.0-doc/jndi-datasource-examples-howto.html#PostgreSQL
Renamed R variable names to conform to 3.3.0 version of N52 WPS. Added updated digesters and producers as well. Functionally, this updated gets us to be compatible with v3.3.0 of N52 WPS
Added null handling, some code cleanup
Using system properties to get port and context name of the application.
Added JNDI variable to jetty integration test
Updated RConnector to match API of v3.3.0 N52 WPS RConnector
Updated to use latest maven-jetty-plugin and updated to work with v3.3.0 of N52 WPS
Switched to v3.3.0 of N52 WPS
Removed unused comment
Merge pull request #134 from isuftin/N52-WPS-3.3.0-UPGRADE

N52 wps 3.3.0 upgrade