minor #289 Remove a user instance checking before calling "is_granted" (voronkovich)
minor #289 Remove a user instance checking before calling "is_granted" (voronkovich)

This PR was merged into the master branch.

Discussion
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Remove a user instance checking before calling "is_granted"

See http://symfony.com/blog/new-in-symfony-2-8-dx-improvements#allow-to-check-for-security-even-in-pages-not-covered-by-firewalls

Commits
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6d12c9f Remove a user instance checking before calling "is_granted"

ReLexEd/symfony-demo,samitiana/symfony-demo,maidmaid/symfony-demo,dzuelke/symfony-demo,yodur2potassium/test-behat-selenium-symfo,gliderShip/symfony_demo,jzawadzki/symfony-demo,symfony/symfony-demo,vakstk50/jenkinstest,healthefrog/symfony-demo,gliderShip/symfony_demo,cristi-contiu/symfony-demo,bocharsky-bw/symfony-demo,GregSatre/symfony-demo,ReLexEd/symfony-demo,javiereguiluz/symfony-demo,vakstk50/jenkinstest,voronkovich/symfony-demo,GregSatre/symfony-demo,mrook/symfony-behat-codeception-demo,javiereguiluz/symfony-demo,yceruto/symfony-demo,TomasVotruba/symfony-demo,nilamkhedkar1/symfony_demo,AntoineToubhans/symfony-demo,AntoineToubhans/symfony-demo,Codeception/symfony-demo,bocharsky-bw/symfony-demo,healthefrog/symfony-demo,vakstk50/jenkinstest,nilamkhedkar1/symfony_demo,cristi-contiu/symfony-demo,mrook/symfony-behat-codeception-demo,bocharsky-bw/symfony-demo,maidmaid/symfony-demo,samitiana/symfony-demo,javiereguiluz/symfony-demo,GregSatre/symfony-demo,symfony/symfony-demo,voronkovich/symfony-demo,rasanga/symfony-demo,yceruto/symfony-demo,loicgelle/symfony-demo,loicgelle/symfony-demo,nilamkhedkar1/symfony_demo,symfony/symfony-demo,samitiana/symfony-demo,cristi-contiu/symfony-demo,TomasVotruba/symfony-demo,gliderShip/symfony_demo,Samox/symfony-demo,maidmaid/symfony-demo,mrook/symfony-behat-codeception-demo,AntoineToubhans/symfony-demo,Samox/symfony-demo,rasanga/symfony-demo,yodur2potassium/test-behat-selenium-symfo,Samox/symfony-demo,rasanga/symfony-demo,yodur2potassium/test-behat-selenium-symfo,dzuelke/symfony-demo,GregSatre/symfony-demo,yceruto/symfony-demo,Samox/symfony-demo,jzawadzki/symfony-demo,AntoineToubhans/symfony-demo,loicgelle/symfony-demo,ReLexEd/symfony-demo,Codeception/symfony-demo,dzuelke/symfony-demo,TomasVotruba/symfony-demo,healthefrog/symfony-demo,voronkovich/symfony-demo,Codeception/symfony-demo,jzawadzki/symfony-demo