Add XA classes to OSGi manifest headers.  Also generate OSGI headers for
the default JAR, we were only generating OSGi headers for the complete JAR.
Change jdbc:postgresql to jdbc:pgsql
Merge branch 'develop' of https://github.com/brettwooldridge/pgjdbc-ng into brettwooldridge-develop
Merge branch 'jdbc_url' of https://github.com/jesperpedersen/pgjdbc-ng into jesperpedersen-jdbc_url