Now autosubmit will create a version.yml if AUTOSUBMIT_VERSION is not found

Added minimal, dummy confs
TODO add comments to non-dummy/minimal conf

Fix table and title for Sphinx

See merge request !321

Review typos in documentation and source code

Closes #946

See merge request !314

Avoid creating an sqlite ..db file in tests

See merge request !318

Add make watch to documentation

See merge request !319

Fix sphinx warnings

See merge request !316

Additional files fixes

See merge request !313