Fix misisin HTTPProxy label.

Document that session variables are deprecated.

docs/changelog/6.x.x.txt

@@ -2,6 +2,7 @@
  - fix: Add a Related Product not working
  - fix: Edit button missing in timetracker projects
  - fix: Upgrade from 6.8.10 to 6.99.4 failed
+ - fix: Missing label in HTTP Proxy: Filter Content
  - Fixed a memory leak in Spectre that could cause it to double in size
    roughly every 30 hours under certain conditions.
 

lib/WebGUI/Asset/Wobject/HttpProxy.pm

@@ -176,7 +176,9 @@ sub getEditForm {
                 );
 	$tabform->getTab("display")->filterContent(
 		-name=>"filterHtml",
-		-value=>$self->getValue("filterHtml")
+                -label=>$i18n->get(418, 'WebGUI'),
+                -hoverHelp=>$i18n->get('418 description', 'WebGUI'),
+		-value=>$self->getValue("filterHtml"),
 		);
         $tabform->getTab("properties")->selectBox(
 		-name=>"timeout", 

lib/WebGUI/i18n/English/Asset_Template.pm

@@ -275,11 +275,13 @@ If there is more than 1 value in a form variable, only the last will be returned
 
 	'template variable body' => {
 		message => q|
+<p>These variables are available in any template, regardless of its type
+or what namespace it lives in.  The session variables are deprecated.</p>
 <p><i>NOTE: The syntax for these variables is shown in WebGUI's default template language, HTML::Template.  If the Template Type
 has been set to some other language you will need to consult that template's documentation for the appropriate syntax for its variables.</i></p>.
 
 		|,
-		lastUpdated => 1148951237,
+		lastUpdated => 1150827247,
 	},
 
 	'site name' => {