Manual: Completed and harmonized references over manuals.
Manual de: Moved file format description of check list to chapter data-files.
Manual de: Back to "Benutzerhandbuch" because it is exactly this,
translated "map database".
Manual de: removed commented lines,
added some more translated screenshots.
Manual en, de: A pile of spaces, removed commented lines and other comment signs.
Manual history: Some recent additions to xc history.
Manual de glide_computer.tex: Translation to polar measurements.
Manual data_files: Removed the story of the not existing advanced configuration manual.
Manual de configuration.tex: Translation for bulk baud rate.
Manual en, de configuration.tex: Wording on MC usage for route calc.
Manual en xc.tasks.tex: Added auto task.
Manual en, de glide_computer.tex: Auto MC propagation to Vario.
Manual de data_files.tex: A bit de escalation.
Manual en, de: Started to harmonize style and main tex files.