basic structure for auto optimization
merge
change forecasting process creating due to hangups
finding right parameters with l_bfgs algorithm
remove measurements
implemented initial value optimization and tweak l-bfgs
price optimization seems to work now. We have to evaluate, if it is better than without optimization #318
remove unneccesary comments
Settings bugfixes. Closes #243
Fix tests
Use .config dicts for system configurations
Minor bugfix
Remove threshold link from navbar [ci skip]
Fix tests
Merge pull request #321 from BP2013H1/dev-config-changes

Refactor configuration handling
Add multi-language support to frontend [ci skip]
Translate login page and multi-language support improvements [ci skip]
Add more translations and improve translation functions [ci skip]
Add even more translations [ci skip]
Improve login/logout behaviour [ci skip]