Merge tag 'v0.9.5' into develop

v0.9.5
Updated error pages
Added tests for views
First shot at bar charts
Major revamp of evaluation service
Merge branch 'feature/refactor' into develop
Added chart overview and first stakeholder chart
First shot at stacked bar chart
First shot at map chart
Improved map chart, updated chart gallery
CSS fix for main menu
Some CSS fixes and updated translation
Merge branch 'feature/refactor' into develop
Release v0.9.8
Merge branch 'release/v0.9.8'