Made all examples of "Quick Tour" complete (all "use", "namespaces", etc.)#9527

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javiereguiluz merged 1 commit intosymfony:4.0from

javiereguiluz:continue_9522

Apr 3, 2018

Commits on Mar 30, 2018

Made all examples of "Quick Tour" complete (all "use", "namespaces", etc.)
javiereguiluz
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