Update npm package.json to rc5
Update npm package.json to rc5

dkamburov/igniteui-angular2,MayaKirova/igniteui-angular2,IgniteUI/igniteui-angular2,dkamburov/igniteui-angular2,IgniteUI/igniteui-angular2,dkamburov/igniteui-angular2,IgniteUI/igniteui-angular2,MayaKirova/igniteui-angular2,MayaKirova/igniteui-angular2