Updated locales + removed unique constraint on ThematicElement
Regenerated django locale with a better formatting
reduce legend size in horizontal barcharts when there's too many bars (results)
delete answer entity if it exists when skipping a question
change slider limits on result page
charts style
Vertical align on choice #45
Desactivated boolean & user gender automatic choice creation
Added german to supported languages (app.settings)
Implemented new way of calculus for selection answers
Merge branch 'develop' of github.com:jplusplus/arte-world-of-work into develop
Added special check for selection answers percentage in tests
Added outro_description & outro_button_label fields to thematic model
ending page
display end slide at the end of the survey
Fixeds tests -> using signals for tests purpose
style for end slide
Added back question translation string to english locales
Updated font-end english locales
Merge branch 'develop' of github.com:jplusplus/arte-world-of-work into develop