Improved: adds comments in template for CommonScreens.xml to initiate…

… a new plugin

As mentionned by Pierre Smits at
apache/ofbiz-plugins#75 (comment)
this was missing

framework/resources/templates/CommonScreens.xml

@@ -29,6 +29,13 @@ under the License.
 
  <set field="layoutSettings.companyName" from-field="uiLabelMap.@component-resource-name@CompanyName" global="true"/>
  <set field="layoutSettings.companySubtitle" from-field="uiLabelMap.@component-resource-name@CompanySubtitle" global="true"/>
+ <!-- layoutSettings.headerImageUrl can be used to specify an application specific logo; if not set,
+ then the global layoutSettings.commonHeaderImageUrl (specified in GlobalDecorator) will be used. -->
+ <!--<set field="layoutSettings.headerImageUrl" value="/images/ofbiz_logo.png" global="true"/>-->
+
+ <!-- <set field="layoutSettings.headerMiddleBackgroundUrl" value="" global="true"/> -->
+ <!-- <set field="layoutSettings.headerRightBackgroundUrl" value="" global="true"/> -->
+ <!-- TODO: Use transform to specify component URI -->
 
  <set field="activeApp" value="@webapp-name@" global="true"/>
  <set field="applicationMenuName" value="MainAppBar" global="true"/>
@@ -64,4 +71,4 @@ under the License.
  </widgets>
  </section>
  </screen>
-</screens>
+</screens>