Automatized changes to license and copyright information

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

include 'siesta-' or 'trunk-' in version numbers, since Siesta apparently plays that way.  Also, make an ad-hoc attempt to not fail when encountering indented lines outside of blocks in the input logfile.  Logfiles are often totally garbled but we hope it works nevertheless.

number_of_electrons must be an array, not a number... do not parse in the moment.  Update scala tests adding smeagol stuff.

fiddle with endReStr of array-end-matcher to make things run better.  Try to get stress tensor, KS energy