fixes to the build file for linux host and ant 1.8.2 where JAVA_HOME is set to jre dir, minor changes and additions to READMEs, fix linux support for Jython plugins
many fixes relating to service loading and support for services in build.xml, as well as many other changes and fixes that make the tool more robust for custom plugins.

many fixes to plugins and fixed support for Jython plugins

fix to build for jdk java.home and addition of interface

changing TestJythonPlugin to beter illustrate what can be done
a few changes to TestJythonPlugin output