Updating cp2k parser to work with ParserInterface class and added structlogging. Read more here https://docs.google.com/document/d/1fTjSJIuRtbVWqS4CoXVlrf94MzYDWNqU-jtxkYOVAoQ/edit?usp=sharing .

Automatized changes to license and copyright information

See merge request nomad-lab/parser-cp2k!1

Fixed issue in variable resolution in input files. The regular expression that was used for matching variables was not correct.

Enabled the reading of system geometries from input file if they are not present in the output file.

Fixed issue with restarted calculations, fixed bugs in reading MD files with non-unity print frequencies.