Add printing of peak hours to sampling_key

Update plots

Voronoi SGR feature (initial integration)

Update model_runner.py

Update utils.py

Merge pull request #44 from martinhjel/fix/auth-test

Add feature report git template

Update release notes

Add option to include authentication or not

Dont return run_empire method

Dont use formulas for solar max installed capacity

Stability test file

Add europe agg v50 dataset

Merge pull request #42 from iverlg/feature/stability-testing

change name of xlsx-file