Resolve "Aggregated output needs to respect the damage states as given by the fragility functions"
requested to merge 56-aggregated-output-needs-to-respect-the-damage-states-as-given-by-the-fragility-functions into master
The losscalculator output aggregated over buildings or tiles does use hard-coded column names of the damage states. This MR implements the use of column names based on the limit states as given in the fragility model.
Closes #56 (closed)