Update way to catch 404, related to #799, #800
Update way to catch 404, related to #799, #800

Let the final 404 catch take it, by the way using `next` (https://github.com/electron/electron.atom.io/pull/799/files#diff-78c12f5adc1848d13b1c6f07055d996eR81)
dahmian/dahmian.github.io,dahmian/dahmian.github.io,electron/electron.atom.io,electron/electron.atom.io,electron/electron.atom.io,dahmian/dahmian.github.io