added button utils
added button utils

XSEDEScienceGateways/textgateway,XSEDEScienceGateways/TAG,wrathematics/TAG,XSEDEScienceGateways/TAG,wrathematics/TAG,XSEDEScienceGateways/textgateway,XSEDEScienceGateways/TAG,wrathematics/TAG,XSEDEScienceGateways/textgateway