chore(package): update grunt-umd to version 2.4.0
chore(package): update grunt-umd to version 2.4.0

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ExactTarget/fuelux,futuremint/fuelux,cormacmccarthy/fuelux,ExactTarget/fuelux,afz/fuelux,vernak2539/fuelux,cormacmccarthy/fuelux,futuremint/fuelux,vernak2539/fuelux,afz/fuelux