Allow use of babel options (#830)
Allow use of babel options (#830)


chiedo/gatsby,mingaldrichgan/gatsby,gatsbyjs/gatsby,mingaldrichgan/gatsby,fabrictech/gatsby,gatsbyjs/gatsby,0x80/gatsby,0x80/gatsby,okcoker/gatsby,fabrictech/gatsby,danielfarrell/gatsby,okcoker/gatsby,danielfarrell/gatsby,ChristopherBiscardi/gatsby,fk/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,mickeyreiss/gatsby,fk/gatsby,okcoker/gatsby,fabrictech/gatsby,ChristopherBiscardi/gatsby,Khaledgarbaya/gatsby,gatsbyjs/gatsby,mingaldrichgan/gatsby,0x80/gatsby,fk/gatsby,chiedo/gatsby,mickeyreiss/gatsby,ChristopherBiscardi/gatsby,mickeyreiss/gatsby,chiedo/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,Khaledgarbaya/gatsby,Khaledgarbaya/gatsby,danielfarrell/gatsby