Add name/version just like a normal remote tarball
Add name/version just like a normal remote tarball

This strips out build directories and the like, which can in some cases
end up in registry tarballs.

Also, add a todo about the shasum thing.  Gotta get to that soonish.

cchamberlain/npm-msys2,chadnickbok/npm,evanlucas/npm,haggholm/npm,DIREKTSPEED-LTD/npm,kimshinelove/naver-npm,kemitchell/npm,misterbyrne/npm,cchamberlain/npm-msys2,kemitchell/npm,kemitchell/npm,segrey/npm,xalopp/npm,haggholm/npm,segmentio/npm,Volune/npm,TimeToogo/npm,misterbyrne/npm,chadnickbok/npm,yodeyer/npm,DIREKTSPEED-LTD/npm,midniteio/npm,yibn2008/npm,kimshinelove/naver-npm,DaveEmmerson/npm,lxe/npm,haggholm/npm,yyx990803/npm,rsp/npm,ekmartin/npm,xalopp/npm,rsp/npm,segrey/npm,segmentio/npm,kriskowal/npm,cchamberlain/npm,kriskowal/npm,DIREKTSPEED-LTD/npm,kriskowal/npm,segmentio/npm,thomblake/npm,segment-boneyard/npm,yibn2008/npm,lxe/npm,Volune/npm,evocateur/npm,lxe/npm,cchamberlain/npm,yodeyer/npm,princeofdarkness76/npm,chadnickbok/npm,TimeToogo/npm,princeofdarkness76/npm,yibn2008/npm,DaveEmmerson/npm,xalopp/npm,misterbyrne/npm,cchamberlain/npm,yyx990803/npm,segment-boneyard/npm,evocateur/npm,ekmartin/npm,yodeyer/npm,evanlucas/npm,evanlucas/npm,midniteio/npm,ekmartin/npm,princeofdarkness76/npm,cchamberlain/npm-msys2,segment-boneyard/npm,thomblake/npm,DaveEmmerson/npm,yyx990803/npm,rsp/npm,Volune/npm,evocateur/npm,TimeToogo/npm,midniteio/npm,segrey/npm,kimshinelove/naver-npm,thomblake/npm