added help screen to how to specify values.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@3866 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/hudson/matrix/MatrixProject/configure-entries.jelly

@@ -68,7 +68,7 @@
             <f:entry title="Name">
               <f:textbox name="axis.name" value="${axis.name}" />
             </f:entry>
-            <f:entry title="Values">
+            <f:entry title="Values" help="/help/matrix/axis-value.html">
               <f:expandableTextbox name="axis.value" value="${axis.valueString}" />
             </f:entry>
             <f:entry>

war/resources/help/matrix/axis-value.html

+<div>
+  Values assigned to variables. Multiple values are separated by whitespace or newline.
+</div>
\ No newline at end of file