[Travis] Skip application tests if only *.md files were changed
[Travis] Skip application tests if only *.md files were changed

Excluded files:
 - `CHANGELOG.md`
 - `CONTRIBUTING.md`
 - `LICENSE`
 - `PULL_REQUEST_TEMPLATE.md`
 - `README.md`
 - `UPGRADE.md`

gorkalaucirica/Sylius,ktzouno/Sylius,Mozan/Sylius,gruberro/Sylius,SyliusBot/Sylius,pjedrzejewski/Sylius,kayue/Sylius,regnisolbap/Sylius,mkilmanas/Sylius,DorianCMore/Sylius,gorkalaucirica/Sylius,gmoigneu/platformsh-integrations,danut007ro/Sylius,ezecosystem/Sylius,regnisolbap/Sylius,lchrusciel/Sylius,GSadee/Sylius,Zales0123/Sylius,ktzouno/Sylius,Brille24/Sylius,dragosprotung/Sylius,gabiudrescu/Sylius,bretto36/Sylius,Mozan/Sylius,cdaguerre/Sylius,regnisolbap/Sylius,NeverResponse/Sylius,vihuvac/Sylius,NeverResponse/Sylius,bitbager/Sylius,MichaelKubovic/Sylius,SyliusBot/Sylius,CoderMaggie/Sylius,pjedrzejewski/Sylius,gruberro/Sylius,GSadee/Sylius,gseidel/Sylius,mheki/Sylius,mbabker/Sylius,videni/Sylius,dragosprotung/Sylius,dragosprotung/Sylius,TheMadeleine/Sylius,loic425/Sylius,DorianCMore/Sylius,foobarflies/Sylius,bitbager/Sylius,Niiko/Sylius,danut007ro/Sylius,Niiko/Sylius,foobarflies/Sylius,psren/Sylius,michalmarcinkowski/Sylius,michalmarcinkowski/Sylius,danut007ro/Sylius,lchrusciel/Sylius,gseidel/Sylius,SyliusBot/Sylius,Joypricecorp/Sylius,Mozan/Sylius,ezecosystem/Sylius,psren/Sylius,diimpp/Sylius,gruberro/Sylius,venyii/Sylius,foobarflies/Sylius,NeverResponse/Sylius,ylastapis/Sylius,torinaki/Sylius,inssein/Sylius,Sylius/Sylius,Brille24/Sylius,CoderMaggie/Sylius,Joypricecorp/Sylius,Zales0123/Sylius,Pitoune/Sylius,ezecosystem/Sylius,foobarflies/Sylius,ylastapis/Sylius,Zales0123/Sylius,kayue/Sylius,bitbager/Sylius,bitbager/Sylius,NeverResponse/Sylius,Pitoune/Sylius,MichaelKubovic/Sylius,Sylius/Sylius,TheMadeleine/Sylius,pjedrzejewski/Sylius,gabiudrescu/Sylius,Joypricecorp/Sylius,ylastapis/Sylius,venyii/Sylius,vihuvac/Sylius,ktzouno/Sylius,TheMadeleine/Sylius,danut007ro/Sylius,ktzouno/Sylius,inssein/Sylius,Mozan/Sylius,mbabker/Sylius,DorianCMore/Sylius,okwinza/Sylius,pjedrzejewski/Sylius,mbabker/Sylius,regnisolbap/Sylius,videni/Sylius,pamil/Sylius,vihuvac/Sylius,okwinza/Sylius,101medialab/Sylius,loic425/Sylius,okwinza/Sylius,gruberro/Sylius,psren/Sylius,Arminek/Sylius,michalmarcinkowski/Sylius,itinance/Sylius,Joypricecorp/Sylius,Niiko/Sylius,Brille24/Sylius,gabiudrescu/Sylius,Pitoune/Sylius,101medialab/Sylius,okwinza/Sylius,101medialab/Sylius,itinance/Sylius,MichaelKubovic/Sylius,mheki/Sylius,pamil/Sylius,gseidel/Sylius,vihuvac/Sylius,antonioperic/Sylius,mheki/Sylius,diimpp/Sylius,gorkalaucirica/Sylius,lchrusciel/Sylius,CoderMaggie/Sylius,antonioperic/Sylius,CoderMaggie/Sylius,Niiko/Sylius,torinaki/Sylius,gabiudrescu/Sylius,Arminek/Sylius,cdaguerre/Sylius,inssein/Sylius,gseidel/Sylius,GSadee/Sylius,cdaguerre/Sylius,cdaguerre/Sylius,psren/Sylius,okwinza/Sylius,bretto36/Sylius,diimpp/Sylius,mkilmanas/Sylius,mkilmanas/Sylius,pamil/Sylius,venyii/Sylius,videni/Sylius,mbabker/Sylius,itinance/Sylius,torinaki/Sylius,Sylius/Sylius,videni/Sylius,Arminek/Sylius,DorianCMore/Sylius,michalmarcinkowski/Sylius,gorkalaucirica/Sylius,bretto36/Sylius,gmoigneu/platformsh-integrations,bretto36/Sylius,antonioperic/Sylius,torinaki/Sylius,TheMadeleine/Sylius,loic425/Sylius,inssein/Sylius,mheki/Sylius,MichaelKubovic/Sylius,cdaguerre/Sylius,ylastapis/Sylius,itinance/Sylius,mkilmanas/Sylius,venyii/Sylius,Mozan/Sylius,ezecosystem/Sylius,kayue/Sylius,gmoigneu/platformsh-integrations,dragosprotung/Sylius,Brille24/Sylius,Pitoune/Sylius,gmoigneu/platformsh-integrations