build(Gulpfile): Include enterprise icons in build.
build(Gulpfile): Include enterprise icons in build.

jkeddy/rocketbelt,Pier1/rocketbelt,jkeddy/rocketbelt,chanceaclark/rocketbelt,chanceaclark/rocketbelt,Pier1/rocketbelt,chanceaclark/rocketbelt,jkeddy/rocketbelt