refactor(styles): upgrade grunt less task and ref to uis
refactor(styles): upgrade grunt less task and ref to uis

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xlinur/camunda-bpm-webapp,TitanUser/camunda-bpm-webapp,tcrossland/camunda-bpm-webapp,xlinur/camunda-bpm-webapp,xlinur/camunda-bpm-webapp,TitanUser/camunda-bpm-webapp,TitanUser/camunda-bpm-webapp,tcrossland/camunda-bpm-webapp,tcrossland/camunda-bpm-webapp