Reporting: vintages plot for EU  does not repeat historical values. Name of output folder without special characters. Saved info of run names in output folder.

reportCEScalib was not working when starting it with output.R

Plot supplycurves for all years not just one year.

Change the reference scenario (for calculating the BECCS bound, see previous commit) from input_ref.gdx to the values of the own previous nash iteration.

- added documentation to the output script.
- updated the multi-comparison-matrix.
- updated the prefix used for coupled runs.
- correctly handle the number of cores to be used in parallel.

gdx neutral: clean scenarios in scenario_config_coupled_SSPSDP.csv and compareScenarios.R, add start and end time (of the job not of GAMS) to runstatistics.