Overview of changes:

 *  Fixed test discovery code

    Most of the code was broken; discovery by id, version printing...
    Now it's still embarrassingly slow, but at least it somewhat works.

 *  Updated MKit for jattool and test suites to v0.0.34

 *  Updated parser, Jinja templats and more for newer shellfu-bash-jat

 *  Added meaningful content to README.md

 *  Added support for showing test/suite version

 *  Changed 'jats' term to 'id' for jats:// test and suite ids

 *  Ensured proper test status from runtest matches qrun (and

 *  Split-off jattool-minimal for testing machines

 *  Changed jats: ids to use double-slash between suite part and test part

 *  Added error message if test has not finished cleanly

 *  Rewrote broken parts of test discovery and identification

 *  Codebase maintenance