Update for Symphony 4.x#10

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alexnantel88 wants to merge 8 commits intoDeuxHuitHuit:masterfrom

alexnantel88:4.x

Commits on May 8, 2017

Update for Symphony 4.x
Alexandra Nantel
committed

Commits on May 9, 2017

Get languages from available languages instead of fronted localisation.
Alexandra Nantel
committed

Commits on May 17, 2017

Update php-min/php-max info
Alexandra Nantel
committed

Commits on May 26, 2017

Style fixes
Alexandra Nantel
committed

Commits on Jun 27, 2018

Remove flags from the 80s and put language code instead
Alexandra Nantel
committed

Commits on Jul 9, 2018

Rework Sessions in #header to make info more compact and presentable.
Alexandra Nantel
committed
Accelerate CSS transition.
Alexandra Nantel
committed
Fix cursor on LI.
Alexandra Nantel
committed