Enable hot reloading of imported stylesheets (#400)
Enable hot reloading of imported stylesheets (#400)

Initializes postcss as a function with the wp argument
passed in. This allows to use the 'addDependencyTo' option
of postcss-import plugin so that hot reloading will work
properly with imported stylesheets.
Khaledgarbaya/gatsby,fabrictech/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,chiedo/gatsby,danielfarrell/gatsby,0x80/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,fabrictech/gatsby,gatsbyjs/gatsby,rothfels/gatsby,Khaledgarbaya/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,mingaldrichgan/gatsby,mingaldrichgan/gatsby,fk/gatsby,mingaldrichgan/gatsby,okcoker/gatsby,okcoker/gatsby,0x80/gatsby,mickeyreiss/gatsby,0x80/gatsby,danielfarrell/gatsby,rothfels/gatsby,danielfarrell/gatsby,ChristopherBiscardi/gatsby,fabrictech/gatsby,okcoker/gatsby,fk/gatsby,Khaledgarbaya/gatsby,fk/gatsby,mickeyreiss/gatsby,chiedo/gatsby,mickeyreiss/gatsby,chiedo/gatsby,ChristopherBiscardi/gatsby