Added change log for v1.1.2
Added change log for v1.1.2

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