Cleaned methods
Merge branch 'develop' of github.com:jplusplus/arte-world-of-work into develop

Conflicts:
	app/static/arte_ww/js/controllers/ThematicCtrl.coffee
Static navbar for small height #32
Remove default thematic class
Merge branch 'develop' of github.com:jplusplus/arte-world-of-work into develop
Replace validate pic by svg
Arrange boolean hover #17
Added a position attribute for question choices
Added third party counters
Merge branch 'develop' of github.com:jplusplus/arte-world-of-work into develop
display feedback under chart for horizontal barcharts (results page)
add legend on horizontal barcharts (results page)
some style for horizontal barcharts (results page)
fix issue on charts and filters
fix issue on charts and filters
show legend even if value is 0 on horizontal barcharts (results page)
display error message when no chart on result page
don't update slider before the handle is released in results age filter

used to make too much requests
Updated app.core.signals and core + api tests to set question choices position
Added tests about dynamics feedbacks for living_country and native_country