If you want to modify menus which comes under portlet configuration wrench icon 
then you may see below details.
Actually for each icons, its using cutome tags which is given below so you can add/modify this items here as per your requirement.
then you may see below details.Actually for each icons, its using cutome tags which is given below so you can add/modify this items here as per your requirement.
<liferay-ui:icon-menu
align="auto"
cssClass="portlet-options"
direction="down"
extended="<%= false %>"
icon=""
message="options"
showArrow="<%= false %>"
showWhenSingleIcon="<%= true %>"
>
<liferay-portlet:icon-refresh /> : IconRefreshTag.java
<liferay-portlet:icon-portlet-css /> : IconPortletCssTag.java
<liferay-portlet:icon-configuration /> : IconConfigurationTag.java
<liferay-portlet:icon-edit /> : IconEditTag.java
<liferay-portlet:icon-edit-defaults /> : IconEditDefaultsTag.java
<liferay-portlet:icon-edit-guest /> : IconEditGuestTag.java
<liferay-portlet:icon-export-import /> : IconExportImportTag.java
<liferay-portlet:icon-help /> : IconHelpTag.java
<liferay-portlet:icon-print /> : IconPrintTag.java
</liferay-ui:icon-menu>
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