Overview of changes:

 *  Added basic README.md

 *  Added version skeleton

    jattool now supports test version and reads it from .jats/version,
    ie. we can unleash the MKit power on test suites.

 *  Injected arbitrary fails into xcosi

    Just to make things more interesting...

 *  Added example of jat__submit()

 *  Updateed 'advanced' test to contain pass-able code

 *  Added vcs-browser URL