[Jython] Support JNDI data sources via create_engine

[Philip Jenvey]

JNDI db connections are common on some app server setups, and zxJDBC provides an alternative to zxJDBC.connect for getting a Connection via JNDI. Should we support a special scheme for using it via create_engine?

If so, what kind of URI scheme?

JNDI names are usually like 'jdbc/myoracle' or I think maybe 'java:/comp/env/jdbc/myoracle'

[Philip Jenvey]

Jython isn't fully supported currently and there's been no demand for this feature so closing it out for now. There's also a new potentially better driver for Jython now: jyjdbc