Move doc info handling back to generator class.
Move doc info handling back to generator class.

MikkoH/generator-core,camikazegreen/photoshop-scrambler,kristjanmik/generator-assets,jaredadobe/generator,alesitalugo/generator-core,camikazegreen/photoshop-scrambler,camikazegreen/photoshop-scrambler,adobe-photoshop/generator-core,codeorelse/generator-core