fixed nav bug
fixed nav bug

thelgevold/angular-2-samples,thelgevold/angular-2-samples,yooynas/angular-2-samples,garywu125/ng2_sample,garywu125/ng2_sample,thelgevold/angular-2-samples,pvadam/angular-2-samples,pvadam/angular-2-samples,yooynas/angular-2-samples,garywu125/ng2_sample,pvadam/angular-2-samples,yooynas/angular-2-samples