Fix links to when.settle()
Fix links to when.settle()

Previously the when.settle() links pointed to when.all().
petkaantonov/when,stevage/when,tkirda/when,mlennon3/when,mlennon3/when,tkirda/when,anthonyvia/when,frank-weindel/when,anthonyvia/when,caporta/when,frank-weindel/when,ning-github/when,SourcePointUSA/when,stevage/when,SourcePointUSA/when,ning-github/when,DJDNS/when.js,caporta/when