move files to align with maven standards
enable maven groovy test execution, change location of test output from root to ./tstscratch

Test were not executed after migration to maven. Added gmaven-plugin to make them work
change pom comment
move ojdbc14.jar dependency to project local repository and add it to maven dependencies

Found a smart way to manage ojdbc driver in a maven project without need of having in a developer repository.
https://devcenter.heroku.com/articles/local-maven-dependencies