fix results filters on mobile layout
fix about button on touch devices
Merge branch 'feature/mobile-results' into develop
Merge branch 'develop' of github.com:jplusplus/arte-world-of-work into develop
Removed 'skip_button_label' from question model + validate_button_label from feedback
Removed intro & outro button label from Thematic model to ease translation process
Updated templates to use static strings for next button label on feedback, thematic & questions
Fixed test & api (removed fields were causing failures)
Added new static translation strings