Generate changelog for v1.5.1
Generate changelog for v1.5.1

loic425/Sylius,antonioperic/Sylius,loic425/Sylius,GSadee/Sylius,Zales0123/Sylius,mbabker/Sylius,mbabker/Sylius,itinance/Sylius,101medialab/Sylius,Zales0123/Sylius,Zales0123/Sylius,antonioperic/Sylius,Brille24/Sylius,mbabker/Sylius,pamil/Sylius,pjedrzejewski/Sylius,Brille24/Sylius,foobarflies/Sylius,pjedrzejewski/Sylius,foobarflies/Sylius,Arminek/Sylius,diimpp/Sylius,pamil/Sylius,lchrusciel/Sylius,lchrusciel/Sylius,mbabker/Sylius,itinance/Sylius,GSadee/Sylius,lchrusciel/Sylius,pamil/Sylius,loic425/Sylius,foobarflies/Sylius,Brille24/Sylius,SyliusBot/Sylius,Arminek/Sylius,Arminek/Sylius,foobarflies/Sylius,pjedrzejewski/Sylius,antonioperic/Sylius,kayue/Sylius,Sylius/Sylius,kayue/Sylius,itinance/Sylius,pjedrzejewski/Sylius,diimpp/Sylius,SyliusBot/Sylius,101medialab/Sylius,itinance/Sylius,kayue/Sylius,101medialab/Sylius,SyliusBot/Sylius,Sylius/Sylius,diimpp/Sylius,GSadee/Sylius,Sylius/Sylius,Brille24/Sylius