fix(package): update @angular/core to version 4.4.1
fix(package): update @angular/core to version 4.4.1

Closes #970
AllenBW/manageiq-ui-service,ManageIQ/manageiq-ui-service,ManageIQ/manageiq-ui-self_service,AllenBW/manageiq-ui-service,ManageIQ/manageiq-ui-service,ManageIQ/manageiq-ui-self_service,ManageIQ/manageiq-ui-self_service,ManageIQ/manageiq-ui-service,AllenBW/manageiq-ui-service,AllenBW/manageiq-ui-service