bump dependency - es6-promise to ~2.1.0
bump dependency - es6-promise to ~2.1.0

Daniel15/shields,malditogeek/shields,bishop335/shields,PeeHaa/shields,dnvriend/shields,sebyddd/shields,MatzFan/shields,rmuhamedgaliev/shields,mahirk/shields,clintonhalpin/shields,dnvriend/shields,Borgaard/shields,sanemat/shields,spalger/shields,igormukhingmailcom/shields,clintonhalpin/shields,PeeHaa/shields,rayners/shields,MGDIS/shields,marktopper/shields,Daniel15/shields,RIAEvangelist/shields,andyshinn/shields,Miovision/shields,piperchester/shields,workhorsy/shields,gcochard/shields,badges/shields,MGDIS/shields,piperchester/shields,adjohnson916/shields,tomap/shields,RIAEvangelist/shields,jennifer421/shields,bishop335/shields,pine613/shields,allenmanning/shields,wanji/shields,mkiisoft/shields,badges/shields,IveWong/shields,HossainKhademian/Shields,adjohnson916/shields,MatzFan/shields,marktopper/shields,mateusrevoredo/shields,sanemat/shields,mahirk/shields,IveWong/shields,roomthily/shields,rexxars/shields,rayners/shields,freezy-sk/shields,wanji/shields,mateusrevoredo/shields,rmuhamedgaliev/shields,badges/shields,krak3n/shields,HossainKhademian/Shields,igormukhingmailcom/shields,freezy-sk/shields,zackp30/shields,spalger/shields,krak3n/shields,mkiisoft/shields,Miovision/shields,Borgaard/shields,tomap/shields,workhorsy/shields,andyshinn/shields,rexxars/shields,malditogeek/shields,roomthily/shields,sebyddd/shields,Miovision/shields,jennifer421/shields,pine613/shields,allenmanning/shields,gcochard/shields,zackp30/shields