update for Symfony 5#31

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syfea wants to merge 3 commits intolightSAML:masterfrom

syfea:contribution

Commits on Jan 13, 2020

updae for Symfony 5
Sylvain Féasson
committed

Commits on Jan 14, 2020

change php version
Sylvain Féasson
committed

Commits on Jan 23, 2020

delete root function call
Sylvain Féasson
committed