patch Array.map() for IE8.
patch Array.map() for IE8.

Impactstory/total-impact-webapp,Impactstory/total-impact-webapp,total-impact/total-impact-webapp,total-impact/total-impact-webapp,Impactstory/total-impact-webapp,total-impact/total-impact-webapp,Impactstory/total-impact-webapp,total-impact/total-impact-webapp