Added a check for json extension
Added a check for json extension

damienalexandre/symfony-standard,webignition/simplytestable.com,havvg/symfony-propel-edition,tdd-php/football,tristanbes/symfony-standard,blogsh/CustomRouterExample,ericclemmons/ericclemmons.github.io,FLM/uberstrap,mattvaadi/hris,JMSBot/CSBill,bionic-university/alexander-pobereznichenko,cedriclombardot/GitWeb,xdissent/sonata-sandbox,by-examples/symfony-standard,phiamo/symfony-bootstrap,merk/comment-server,marcoleong/musictube,fduch/symfony-standard-workflow,elcodi/symfonycon-demo,sandello-alkr/symfony,vincentchalamon/phpunit-bridge,foopro/symfony-screenfony,beyondkeysystem/psc-symfony-angularjs,tarasinio/weather-remainder.com,ybutb/videotask,joferzs/firewall,cordoval/symfony-bootstrap,ewgRa/symfony-standard,papaavola/symfony-standard,micha149/wedding-page,Knouki/Jobeet-Symfony,marfillaster/symfony-se,lyrixx/symfony-standard,glavweb/symfony-standard,mukulu/hris,Thiktak/Jordo,dziamid/lunch-time-composer,the-software-factory/superhero-api,unewochialat/symfony-standard,yelmontaser/symfony-standard,AlexeyKupershtokh/symfony-standard,lukaszgi/operowo,webignition/worker.simplytestable.com,havvg/symfony-propel-edition,aerrasti/iemedebe,flevour/symfony-issue-3889,we-bridge/symfony-admin,rubensayshi/prex-sf,Musak/firstsymfony2project,micha149/wedding-page,orodsem/trout,flyboarder/AirOS,skafandri/blog,sulu-io/sulu-standard,damedia/culture.ru,tarasinio/weather-remainder.com,csarrazi/AppKernelGenerator,LogTweets/logtweets,HasClass0/standard-edition,ucsf-ckm/symfony-emberjs-edition,b00giZm/symfony-boilerplate-app,cedriclombardot/GitWeb,ovelasquez/ussi,sulu-io/sulu-standard,foopro/symfony-screenfony,hrisproject/hris,mattvaadi/hris,hrisproject/hris,alihalabyah/symfony-rest-edition,shadowtje1990/symfony_todo_api,joferzs/firewall,GulDmitry/music-diff,weaverryan/symfony-standard,amalv/cupon,VolCh/test-rethis.ru,merk/Citadel,tdd-php/literatura,zanderbaldwin/symfony-layers,spolischook/standard-edition,rubensayshi/gogreat-self,baukaman/NeedYou,zeopix/Gaming,jbdelhommeau/symfony-standard,bocharsky-bw/symfony-standard,srosato/kata-bowling,Metabor/Start-App,dziamid/lunch-time-composer,glavweb/symfony-standard,Soullivaneuh/symfony-standard,papaavola/symfony-standard,basdek/SymfonyFireWall,aerrasti/iemedebe,yelmontaser/symfony-standard,gimler/symfony-rest-edition,ucsf-ckm/symfony-emberjs-edition,Tobion/symfony-standard,tdd-php/football,lsmith77/symfony-standard,apnet/symfony-standard-edition,stof/symfony-standard,aprezcuba24/symfony-standard,marcoleong/MacauSE,Chill-project/Standard,ctrl-f5/symfony-standard,trycatch-au/Informative-Workspaces,mattvaadi/hris,simonjcarr/symfony_rest,hrisproject/hris,vincentaubert/symfony-standard,mukulu/hris,myroshnychenko/SymfonyCMF,hrisproject/hris,webmozart/symfony-standard,egeloen/symfony-standard,dziamid/lunch-time-composer,lyrixx/symfony-rest-edition,flevour/symfony-issue-3889,freecastle/Symfony2_Boilerplate,rubensayshi/gogreat-self,gnugat-legacy/symfony-empty,rommsen/plesynd,mayeco/symfony-standard-pagodabox,hrisproject/hris,oustaban/eurotax,alihalabyah/symfony-rest-edition,cordoval/symfony-gae,Cartesia/01,WolfMicrosystems/symfony-wms,black-project/black-standard,fernanDOTdo/reurbano,continuousphp/symfony-skeleton,Tobion/symfony-standard,shamcode/symfony-testing,reidel/hobby-1,chregu/symfony-standard,jakzal/symfony-standard,UxorialRook/symfony-standard,havvg/symfony-standard-propel,jmather/pagoda-symfony-sonata-distribution,rommsen/plesynd,dunglas/symfony-standard,fcerezo/famaluz,damedia/culture.ru,baukaman/NeedYou,webignition/simplytestable.com,meonkeys/symfony2-dual-auth,rainbowcode/spanvoice-standard,zeopix/Templating-Workshop,fabpot/symfony-standard,yohang/non-obstrusive-form-sf2,chebetos/SymfonyTest,rdohms/PHPSP-Promos,oustaban/eurotax,webignition/app.simplytestable.com,uttam-vi/pardawala,isidromerayo/symfony2-jobeet,uttam-vi/pardawala,fcerezo/famaluz,ucay/Skeleton,fernanDOTdo/reurbano,xdissent/sonata-sandbox,xiaobudongzhang/symfony-standard,b00giZm/symfony-boilerplate-app,OskarStark/symfony-standard,wachterjohannes/sulu-standard,npotier/sf2Showcase,shamcode/symfony-testing,mqmtech/show-app,lyrixx/symfony-standard,fernanDOTdo/reurbano,MatthieuCutin/ligue-squash,symfony-cmf/standard-edition,uttam-vi/pardawala,trycatch-au/Informative-Workspaces,sebhoerl/SymfonyAuthenticationTest,adrienbrault/symfony-silex-edition,srosato/kata-bowling,gencer/symfony-standard,phospr/symfony-starter,achrafYne/restaurants-guide,trsteel88/symfony-standard,tPl0ch/symfony-phpqatools,joferzs/firewall,symfony/symfony-standard,VolCh/test-rethis.ru,ewgRa/symfony-standard,outlandishideas/symfony-standard,HumanBooster/Symfony,tederkkila/snapshot_server,sebhoerl/CustomRouterExample,beyondkeysystem/psc-symfony-angularjs,flyboarder/AirOS,fernanDOTdo/reurbano,jmather/pagoda-symfony-sonata-distribution,phiamo/symfony-bootstrap,symfony2-od-podstaw/knp-menu-example,0mars/symfony-standard-issue-13291,liip-forks/symfony-standard,platformsh/platformsh-example-symfony,javiereguiluz/symfony-standard,benja-M-1/rogercms-sandbox,rubensayshi/sf2CMS,tdd-php/angaze,hhamon/symfony-standard,jmather/symfony-sonata-distribution,dkarvounaris/symfony-standard,merk/symfony-test,phospr/symfony-starter,symfony/symfony-standard,ericclemmons/ericclemmons.github.io,phiamo/symfony-bootstrap,WolfMicrosystems/symfony-wms,yohang/non-obstrusive-form-sf2,GulDmitry/music-diff,formapro-forks/api-basic,taylankasap/symfony-standard,havvg/symfony-standard-propel,amalv/cupon,bshaffer/symfony-standard,majisti/symfony-standard,mykehsd/jobeet,fernanDOTdo/reurbano,WouterJ/symfony-standard,krmcbride/symfony-standard,kosintwong/symfony_test,webignition/worker.simplytestable.com,webignition/worker.simplytestable.com,chebetos/SymfonyTest,taylankasap/symfony-standard,cordoval/symfony-gae,shcloudservices/agiletourreg,damedia/culture.ru,unewochialat/symfony-standard,VolCh/test-rethis.ru,marcoleong/MacauSE,kmelia/fresh-symfony,peterkokot/symfony-standard,ovelasquez/ussi,damedia/culture.ru,gnugat/symfony-empty,Baachi/symfony-standard,Clastic/StandardEdition,jbdelhommeau/symfony-standard,buddhikajay/symfony-sonata-distribution,delorenj/elleol_legacy,SymfonyId/Skeleton,Spea/symfony-standard,ctrl-f5/symfony-standard,tomat/symfony-standard,mkrauser/symfony-dump-demo,wachterjohannes/sulu-standard,SymfonyId/Skeleton,Cartesia/01,continuousphp/symfony-skeleton,symfony2-od-podstaw/26-01-sf21,meonkeys/symfony2-dual-auth,fahadonline/sulu,fcerezo/famaluz,platformsh/platformsh-example-symfony,orodsem/trout,Soullivaneuh/symfony-standard,fabpot/symfony-standard,jakzal/symfony-standard,cordoval/symfony-bootstrap,pocit/ExpoApiBundle,basdek/SymfonyFireWall,mqmtech/shop-app,dunglas/symfony-standard,umpirsky/symfony-standard,Ocramius/symfony-standard,blogsh/SymfonyAuthenticationTest,orodsem/trout,ucay/Skeleton,martinmike2/website-study,cordoval/demo-symfony2-argentina,theodo/theodo-kata,makasim/LiipImagineBundleSandbox,singingstars/flydb,Clastic/StandardEdition,sebhoerl/Symfony-Security-Customization,IgorTimoshenko/symfony-standard-requirejs,theodo/theodo-kata,tdd-php/literatura,AlexeyKupershtokh/symfony-standard,buddhika-jay/symfony-sonata-distribution,beberlei/symfony-standard,spolischook/standard-edition,micha149/wedding-page,lukaszgi/operowo,NoUseFreak/StandardEdition,irro/MastoAlliance,tarasinio/weather-remainder.com,Koc/symfony-standard,proteichik/testApp,zeopix/Templating-Workshop,oustaban/eurotax,pjcdawkins/tmp-symfony-demo,mykehsd/jobeet,trycatch-au/Informative-Workspaces,rdohms/PHPSP-Promos,symfony-cmf/standard-edition,Cartesia/01,sulu-io/sulu-standard,merk/Citadel,twisted-socket/stage-plots,UxorialRook/symfony-standard,zanderbaldwin/symfony-layers,yohang/non-obstrusive-form-sf2,gencer/CustomRouterExample,debruyne0/symfony,tiagobrito/ds1.sfdaypt14,liip-forks/symfony-standard,lbotsch/symfony-standard,shadowtje1990/symfony_todo_api,continuousphp/symfony-skeleton,isidromerayo/symfony2-jobeet,chebetos/SymfonyTest,underq/symfony-rest-edition-experiment,MatthieuCutin/ligue-squash,skafandri/blog,mukulu/hris,dkarvounaris/symfony-standard,vincentchalamon/phpunit-bridge,umpirsky/symfony-standard,bshaffer/symfony-standard,pjcdawkins/tmp-symfony-demo,bamarni/symfony-docker,zeopix/Gaming,mqmtech/show-app,webignition/app.simplytestable.com,lanthaler/sfHydraDemoApp,GulDmitry/music-diff,kmelia/fresh-symfony,phiamo/symfony-bootstrap,egeloen/symfony-standard,bamarni/symfony-docker,shcloudservices/agiletourreg,Rvanlaak/symfony-standard,mukulu/hris,meonkeys/symfony2-talk,RuntyCybin/symfony-standard,2085020/first-symfony-project,Spea/symfony-standard,fduch/symfony-standard-workflow,tristanbes/symfony-standard,twisted-socket/stage-plots,webignition/worker.simplytestable.com,damedia/culture.ru,the-software-factory/superhero-api,rajkamalganeshvivid/symfony-standard,como/symfony-commerce,apnet/symfony-standard-edition,formapro-forks/api-basic,cordoval/spike-edition,merk/comment-server,webignition/worker.simplytestable.com,LogTweets/logtweets,mattvaadi/hris,chebetos/SymfonyTest,fahadonline/sulu,dantleech/symfony-doctrine-phpcr-edition,tederkkila/snapshot_server,ucay/Skeleton,rubensayshi/gogreat-self,JMSBot/CSBill,marcoleong/musictube,fernanDOTdo/reurbano,mayflower/sf2hackday,rajkamalganeshvivid/symfony-standard,cordoval/symfony-bootstrap,fahadonline/sulu,webignition/simplytestable.com,yhoiseth/notelite.net,proteichik/testApp,chrisciampoli/cleats,propelorm/symfony-propel-edition,Thiktak/Jordo,cordoval/symfony-gae,ovelasquez/ussi,bocharsky-bw/symfony-standard,ybutb/videotask,HasClass0/standard-edition,zeopix/Eventos,gbtekkie/just-in-time,yhoiseth/notelite.net,kmelia/fresh-symfony,den2134/itdTest,lmaslowski/sf2,tdd-php/angaze,JMSBot/CSBill,RuntyCybin/symfony-standard,locastic/psc-symfony-angularjs,mweimerskirch/symfony-standard,mikekamornikov/remmart.ru,buddhikajay/symfony-sonata-distribution,mweimerskirch/symfony-standard,lukaszgi/operowo,tarasinio/weather-remainder.com,fahadonline/sulu,cordoval/symfony-bootstrap,gimler/symfony-rest-edition,checat/symfony-minimal,Musak/firstsymfony2project,WouterJ/symfony-standard,Thiktak/Jordo,mnapoli/symfony-standard,blogsh/Symfony-Security-Customization,mhlavac/symfony-skeleton,debruyne0/symfony,buddhika-jay/symfony-sonata-distribution,shcloudservices/agiletourreg,InkApplications/barenaked-symfony,phiamo/symfony-bootstrap,NoUseFreak/StandardEdition,Baachi/symfony-standard,mayflower/sf2hackday,SymfonyId/api-platform,tdd-php/angaze,vincentaubert/symfony-standard,JMSBot/CSBill,b00giZm/symfony-boilerplate-app,trsteel88/symfony-standard,tiagobrito/ds1.sfdaypt14,weaverryan/symfony-standard,cordoval/phpspec-symfony-sandbox,arnaud-lb/sfbootstrap,oustaban/eurotax,drufony/drufony,stof/symfony-standard,freecastle/Symfony2_Boilerplate,simonjcarr/symfony_rest,zeopix/Eventos,xiaobudongzhang/symfony-standard,black-project/black-standard,tdd-php/angaze,NoUseFreak/StandardEdition,1ed/symfony-standard,IgorTimoshenko/symfony-standard-requirejs,LogTweets/logtweets,apnet/symfony-standard-edition,Chill-project/Standard,Clastic/StandardEdition,JMSBot/CSBill,wachterjohannes/sulu-standard,trycatch-au/Informative-Workspaces,gencer/symfony-standard,den2134/itdTest,OskarStark/symfony-standard,continuousphp/symfony-skeleton,trycatch-au/Informative-Workspaces,propelorm/symfony-propel-edition,javiereguiluz/symfony-standard,xabbuh/symfony-standard,kucherevskyA/kucherevskiy-test-task,markitosgv/DevOps,phiamo/symfony-bootstrap,GulDmitry/music-diff,irro/MastoAlliance,delorenj/elleol_legacy