Bump minimum version to PHP 7.1 for Symfony 4#22733

Merged

nicolas-grekas merged 3 commits intosymfony:masterfrom

fabpot:4.0-PHP-bump

May 18, 2017

Commits on May 18, 2017

bumped minimum version to PHP 7.1

fabpot
authored and
nicolas-grekas
committed
Allow individual bridges, bundles and components to be used with 4.0

dunglas
authored and
nicolas-grekas
committed
Tweak travis and appveyor for Symfony 4
nicolas-grekas
committed