Update node to v8 on appveyor and add fast_finish (#2059)
Update node to v8 on appveyor and add fast_finish (#2059)

By default AppVeyor runs all build jobs. If at least one job has failed the entire build is marked as failed.
ppot/hyper,derrickpelletier/hyper,zeit/hyperterm,zeit/hyper,rickycodes/hyper,wilsontayar/hyper,ppot/hyper,ppot/hyper,chabou/hyper,KunalKene1797/hyper,rickycodes/hyper,zeit/hyper,derrickpelletier/hyper,zeit/hyper,zeit/hyper,whitelynx/hyperterm,wilsontayar/hyper,spncrgr/hyper,whitelynx/hyperterm,chabou/hyper,KunalKene1797/hyper,zeit/hyperterm,reslaurentii/hyper,reslaurentii/hyper,spncrgr/hyper,chabou/hyper