Added the license of Material Design theme
Added the license of Material Design theme

queryed by the auther of bootstrap material design theme

bendroid/Diversity,FavioGalvis/Diversity,wangjun/Diversity,FavioGalvis/Diversity,honglio/Diversity,tapas4java/Diversity,wangjun/Diversity,honglio/Diversity,tapas4java/Diversity,bendroid/Diversity