add help topic to floater media setting and it's panels

indra/newview/skins/default/xui/en/floater_media_settings.xml

 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<floater bottom="-666" can_close="true" can_drag_on_left="false" can_minimize="true"
-     can_resize="false" can_tear_off="true" default_tab_group="1" enabled="true"
-      width="365" height="535" left="330" min_height="430" min_width="620"
-     mouse_opaque="true" name="Medis Settings" title="Media Settings">
-	<button bottom="-525" enabled="true" follows="right|bottom" font="SansSerif"
-	     halign="center" height="20" label="OK" label_selected="OK" left="75"
-	     mouse_opaque="true" name="OK" scale_image="true" width="90" />
-	<button bottom_delta="0" enabled="true" follows="right|bottom" font="SansSerif"
-	     halign="center" height="20" label="Cancel" label_selected="Cancel"
-	     left_delta="93" mouse_opaque="true" name="Cancel" scale_image="true"
-	     width="90" />
-	<button bottom_delta="0" enabled="true" follows="right|bottom" font="SansSerif"
-	     halign="center" height="20" label="Apply" label_selected="Apply"
-	     left_delta="93" mouse_opaque="true" name="Apply" scale_image="true"
-	     width="90" />
-	<tab_container bottom="-500" enabled="true" follows="left|top|right|bottom" height="485"
-	     left="0" mouse_opaque="false" name="tab_container" tab_group="1"
-	     tab_position="top" tab_width="80" width="365" />
+<floater 
+ bottom="-666" 
+ can_close="true" 
+ can_drag_on_left="false" 
+ can_minimize="true"
+ can_resize="false" 
+ can_tear_off="true" 
+ default_tab_group="1" 
+ enabled="true"
+ width="365" 
+ height="535" 
+ left="330" 
+ min_height="430" 
+ min_width="620"
+ mouse_opaque="true" 
+ name="Medis Settings" 
+ help_topic = "media_settings"
+ title="Media Settings">
+	<button 
+	 bottom="-525" 
+	 enabled="true" 
+	 follows="right|bottom" 
+	 font="SansSerif"
+	 halign="center" 
+	 height="20" 
+	 label="OK" 
+	 label_selected="OK" 
+	 left="75"
+	 mouse_opaque="true" 
+	 name="OK" 
+	 scale_image="true" 
+	 width="90" />
+	<button 
+	 bottom_delta="0" 
+	 enabled="true" 
+	 follows="right|bottom" 
+	 font="SansSerif"
+	 halign="center" 
+	 height="20" 
+	 label="Cancel" 
+	 label_selected="Cancel"
+	 left_delta="93" 
+	 mouse_opaque="true" 
+	 name="Cancel" 
+	 scale_image="true"
+	 width="90" />
+	<button 
+	 bottom_delta="0" 
+	 enabled="true" 
+	 follows="right|bottom" 
+	 font="SansSerif"
+	 halign="center" 
+	 height="20" 
+	 label="Apply" 
+	 label_selected="Apply"
+	 left_delta="93" 
+	 mouse_opaque="true" 
+	 name="Apply" 
+	 scale_image="true"
+	 width="90" />
+	<tab_container 
+	 bottom="-500" 
+	 enabled="true" 
+	 follows="left|top|right|bottom" 
+	 height="485"
+	 left="0" 
+	 mouse_opaque="false" 
+	 name="tab_container" 
+	 tab_group="1"
+	 tab_position="top" 
+	 tab_width="80" 
+	 width="365" />
 </floater>

indra/newview/skins/default/xui/en/panel_media_settings_general.xml

@@ -8,6 +8,7 @@
  left="102" 
  mouse_opaque="true"
  name="Media Settings General" 
+ help_topic = "media_settings_general"
  width="365">
 	
   <text 

indra/newview/skins/default/xui/en/panel_media_settings_permissions.xml

@@ -8,6 +8,7 @@
  left="102" 
  mouse_opaque="true"
  name="Media settings for controls" 
+ help_topic = "media_settings_controls"
  width="365">
 
   <text 

indra/newview/skins/default/xui/en/panel_media_settings_security.xml

@@ -8,6 +8,7 @@
  left="102" 
  mouse_opaque="true"
  name="Media Settings Security" 
+ help_topic = "media_settings_security"
  width="365">
   <check_box 
    bottom_delta="-40"