Bumped Firebase version to upcoming 2.1.0 release
Bumped Firebase version to upcoming 2.1.0 release

douglascorrea/angularfire,fbentz/angularfire,fbentz/angularfire,bpietravalle/angularfire,itxd/angularfire,yoda-yoda/angularfire,fbentz/angularfire,denisKaranja/angularfire,cesarmarinhorj/angularfire,FirebaseExtended/angularfire,FirebaseExtended/angularfire,bpietravalle/angularfire,itxd/angularfire,jamestalmage/angularfire,FirebaseExtended/angularfire,yoda-yoda/angularfire,jamestalmage/angularfire,douglascorrea/angularfire,nbr1ninrsan2/angularfire,nbr1ninrsan2/angularfire,yoda-yoda/angularfire,douglascorrea/angularfire,jamestalmage/angularfire,nbr1ninrsan2/angularfire,bpietravalle/angularfire,denisKaranja/angularfire,itxd/angularfire,cesarmarinhorj/angularfire,denisKaranja/angularfire,cesarmarinhorj/angularfire