Add helper script compile_all_and_extract.sh (may not be wanted upstream)
Copy xtfvt jar and ili2c.jar into lib/ to make their classes available when running JHOVE2
Add jcommander, ili2c and xtfvt to pom.xml file; ili2c and xtfvt are not yet available in a proper maven repository.
Call xtfvt from within JHOVE2