little help for service passwords

bwreg-webapp/src/main/resources/msg/messages_de.properties

@@ -323,3 +323,5 @@ service_password_cannot_be_deleted=Dienstpasswort kann f\u00FCr diesen Dienst ni
 service_password_deleted=Passwort gel\u00F6scht
 service_password_deleted_detail=Das Passwort wurde bei dem Dienst gel\u00F6scht
 delete_password=Passwort l\u00F6schen
+service_password_help_change=An dieser Stelle k\u00F6nnen Sie ein Dienstpasswort f\u00FCr den ausgew\u00E4hlten Dienst setzen. Dieses Dienstpasswort ist dann ausschliesslich bei diesem Dienst g\u00FCltig.
+service_password_help_delete=Wenn Sie das gesetzt Dienstpasswort f\u00FCr diesen Dienst l\u00F6schen wollen, klicken Sie bitte auf den L\u00F6schen Knopf.

bwreg-webapp/src/main/resources/msg/messages_en.properties

@@ -323,3 +323,5 @@ service_password_cannot_be_deleted=Servicepassword can not be deleted for this s
 service_password_deleted=Password deleted
 service_password_deleted_detail=Password has been deleted for this service
 delete_password=Delete password
+service_password_help_change=You can set a service passwort here. This password will be only valid for the selected service.
+service_password_help_delete=Press the "delete" button in order to delete a service password for this service.

bwreg-webapp/src/main/webapp/service/set-password.xhtml

@@ -26,6 +26,9 @@
 
 		<div id="panelInline">
 			<p:panel header="#{messages.set_password}">
+				<div>
+					<h:outputText value="#{messages.service_password_help_change}" escape="false" />
+				</div>
 				<p:messages id="messageBox" for="pw_error" showDetail="true" />
 				<p:panelGrid id="baseData" columns="2">
 				    <h:outputLabel for="password1" value="Passwort:" />
@@ -43,6 +46,9 @@
 		
 		<div id="panelInline" style="margin-top: 8px;">
 			<p:panel header="#{messages.delete_password}">
+				<div>
+					<h:outputText value="#{messages.service_password_help_delete}" escape="false" />
+				</div>
 				<div>
 					<p:commandButton id="delete" action="#{setServicePasswordBean.deleteServicePassword()}" value="#{messages.delete}"
 						update="messageBox,baseData" />