Use the new configurator YAML syntax#7203

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javiereguiluz wants to merge 4 commits intosymfony:3.2from

javiereguiluz:fix_7176

Commits on Nov 30, 2016

Use the new configurator YAML syntax
javiereguiluz
committed

Commits on Dec 1, 2016

Commits on Apr 15, 2017

Moved the versionadded directive
javiereguiluz
committed