Improved list directory contents test script --
Minor improvements to list dir contents test --
Added test to POM --
Add top-level POM
Use specific plugin version
Reconfiguring build --

In order to make Jenkins integration easier, I am changing the layout of the
Maven build.  As a fisrt step, I am moving from a 'common' artifact to a parent
POM.
Merge ssh://levigo.de:7999/jwt/webtoolkit_unix_showcase --

I am merging Jörg's changes with my POM changes to get things working under
Jenkins.
Updated parent and script POMs --

I now have nice parent and script POMs, though I haven't yet updated the
package POM.