update fs-extra to 0.28
update fs-extra to 0.28

electron-userland/electron-packager,electron-userland/electron-packager,sethlu/electron-packager,Goobaroo/electron-packager,Goobaroo/electron-packager,sethlu/electron-packager,malept/electron-packager,malept/electron-packager,maxogden/electron-packager