Fix build by cleaning bower_components before bower install
Fix build by cleaning bower_components before bower install

OpenLMIS/openlmis-ui-components,OpenLMIS/openlmis-requisition-refUI,OpenLMIS/openlmis-requisition-ui,OpenLMIS/openlmis-requisition-refUI,OpenLMIS/openlmis-ui-components,OpenLMIS/openlmis-requisition-ui,OpenLMIS/openlmis-ui-components,OpenLMIS/openlmis-requisition-ui,OpenLMIS/openlmis-requisition-refUI