bug #687 make config_dev.yml a valid YML file (jdespatis)
bug #687 make config_dev.yml a valid YML file (jdespatis)

This PR was submitted for the master branch but it was merged into the 2.5 branch instead (closes #687).

Discussion
----------

make config_dev.yml a valid YML file

`%..%` must be wrapped by quotes, or YML file is not valid!

Commits
-------

848b095 make config_dev.yml a valid YML file

fahadonline/sulu,xiaobudongzhang/symfony-standard,shadowtje1990/symfony_todo_api,ewgRa/symfony-standard,Chill-project/Standard,yhoiseth/notelite.net,tristanbes/symfony-standard,vincentchalamon/phpunit-bridge,liip-forks/symfony-standard,aerrasti/iemedebe,bshaffer/symfony-standard,Cartesia/01,yelmontaser/symfony-standard,simonjcarr/symfony_rest,Chill-project/Standard,proteichik/testApp,javiereguiluz/symfony-standard,dunglas/symfony-standard,yhoiseth/notelite.net,black-project/black-standard,papaavola/symfony-standard,aerrasti/iemedebe,vincentaubert/symfony-standard,theodo/theodo-kata,bamarni/symfony-docker,1ed/symfony-standard,glavweb/symfony-standard,by-examples/symfony-standard,pjcdawkins/tmp-symfony-demo,ovelasquez/ussi,fduch/symfony-standard-workflow,continuousphp/symfony-skeleton,trsteel88/symfony-standard,dkarvounaris/symfony-standard,black-project/black-standard,kosintwong/symfony_test,sulu-io/sulu-standard,uttam-vi/pardawala,phospr/symfony-starter,elcodi/symfonycon-demo,trsteel88/symfony-standard,NoUseFreak/StandardEdition,egeloen/symfony-standard,vincentaubert/symfony-standard,continuousphp/symfony-skeleton,xiaobudongzhang/symfony-standard,NoUseFreak/StandardEdition,MatthieuCutin/ligue-squash,tristanbes/symfony-standard,Baachi/symfony-standard,WolfMicrosystems/symfony-wms,sulu-io/sulu-standard,jbdelhommeau/symfony-standard,ybutb/videotask,ybutb/videotask,b00giZm/symfony-boilerplate-app,gencer/symfony-standard,jakzal/symfony-standard,unewochialat/symfony-standard,shadowtje1990/symfony_todo_api,kmelia/fresh-symfony,Cartesia/01,havvg/symfony-propel-edition,dunglas/symfony-standard,yelmontaser/symfony-standard,kmelia/fresh-symfony,GulDmitry/music-diff,Spea/symfony-standard,liip-forks/symfony-standard,mayeco/symfony-standard-pagodabox,IgorTimoshenko/symfony-standard-requirejs,taylankasap/symfony-standard,papaavola/symfony-standard,Clastic/StandardEdition,debruyne0/symfony,ucsf-ckm/symfony-emberjs-edition,orodsem/trout,b00giZm/symfony-boilerplate-app,aprezcuba24/symfony-standard,AlexeyKupershtokh/symfony-standard,irro/MastoAlliance,GulDmitry/music-diff,FLM/uberstrap,platformsh/platformsh-example-symfony,HumanBooster/Symfony,stof/symfony-standard,havvg/symfony-standard-propel,ucay/Skeleton,jakzal/symfony-standard,UxorialRook/symfony-standard,RuntyCybin/symfony-standard,fabpot/symfony-standard,skafandri/blog,bionic-university/alexander-pobereznichenko,mkrauser/symfony-dump-demo,NoUseFreak/StandardEdition,uttam-vi/pardawala,zanderbaldwin/symfony-layers,ovelasquez/ussi,fahadonline/sulu,Clastic/StandardEdition,MatthieuCutin/ligue-squash,the-software-factory/superhero-api,skafandri/blog,ctrl-f5/symfony-standard,ctrl-f5/symfony-standard,orodsem/trout,0mars/symfony-standard-issue-13291,fahadonline/sulu,gencer/symfony-standard,unewochialat/symfony-standard,UxorialRook/symfony-standard,stof/symfony-standard,symfony-cmf/standard-edition,platformsh/platformsh-example-symfony,zanderbaldwin/symfony-layers,fahadonline/sulu,continuousphp/symfony-skeleton,the-software-factory/superhero-api,javiereguiluz/symfony-standard,debruyne0/symfony,irro/MastoAlliance,Soullivaneuh/symfony-standard,Cartesia/01,phospr/symfony-starter,HasClass0/standard-edition,vincentchalamon/phpunit-bridge,symfony/symfony-standard,spolischook/standard-edition,wachterjohannes/sulu-standard,symfony-cmf/standard-edition,bshaffer/symfony-standard,WolfMicrosystems/symfony-wms,propelorm/symfony-propel-edition,bocharsky-bw/symfony-standard,Baachi/symfony-standard,RuntyCybin/symfony-standard,wachterjohannes/sulu-standard,egeloen/symfony-standard,ewgRa/symfony-standard,spolischook/standard-edition,shamcode/symfony-testing,IgorTimoshenko/symfony-standard-requirejs,formapro-forks/api-basic,mweimerskirch/symfony-standard,twisted-socket/stage-plots,Clastic/StandardEdition,GulDmitry/music-diff,Spea/symfony-standard,apnet/symfony-standard-edition,fduch/symfony-standard-workflow,Tobion/symfony-standard,ovelasquez/ussi,pjcdawkins/tmp-symfony-demo,xabbuh/symfony-standard,continuousphp/symfony-skeleton,OskarStark/symfony-standard,Ocramius/symfony-standard,bamarni/symfony-docker,havvg/symfony-propel-edition,shamcode/symfony-testing,rajkamalganeshvivid/symfony-standard,AlexeyKupershtokh/symfony-standard,lyrixx/symfony-standard,we-bridge/symfony-admin,Rvanlaak/symfony-standard,symfony/symfony-standard,ucay/Skeleton,rajkamalganeshvivid/symfony-standard,SymfonyId/api-platform,HasClass0/standard-edition,bocharsky-bw/symfony-standard,havvg/symfony-standard-propel,proteichik/testApp,twisted-socket/stage-plots,SymfonyId/Skeleton,SymfonyId/Skeleton,lyrixx/symfony-standard,dkarvounaris/symfony-standard,Tobion/symfony-standard,Soullivaneuh/symfony-standard,sulu-io/sulu-standard,jbdelhommeau/symfony-standard,umpirsky/symfony-standard,wachterjohannes/sulu-standard,fabpot/symfony-standard,formapro-forks/api-basic,uttam-vi/pardawala,umpirsky/symfony-standard,apnet/symfony-standard-edition,orodsem/trout,mweimerskirch/symfony-standard,GulDmitry/music-diff,kmelia/fresh-symfony,b00giZm/symfony-boilerplate-app,ucay/Skeleton,glavweb/symfony-standard,theodo/theodo-kata,OskarStark/symfony-standard,simonjcarr/symfony_rest,ucsf-ckm/symfony-emberjs-edition,propelorm/symfony-propel-edition,apnet/symfony-standard-edition,taylankasap/symfony-standard