reorder/split strings in language/content pref panel to better remind users of restarting, bug 137324, r=axel@pike.org, sr=alecf, a=asa

extensions/content-packs/resources/content/pref-contentpacks.xul

@@ -245,4 +245,7 @@
             accesskey="&downloadContentPacks.accesskey;" 
             oncommand="DownloadRegionPacks()"/>
   </hbox>
+
+  <separator class="thin"/>
+  <description>&restartOnLangChange.label;</description>
 </page>

extensions/content-packs/resources/locale/en-US/pref-contentpacks.dtd

@@ -1,7 +1,8 @@
 
 <!ENTITY lHeader                        "Language and Content Packs">
-<!ENTITY contentIntro.label             "Selecting a new content pack changes items in the Sidebar and the Search menu, and changes the home page, certain bookmarks, and other items. You will not lose bookmarks and other items that you have customized when you switch content packs. You must restart &brandShortName; for a new content pack to take effect.">
-<!ENTITY languageIntro.label            "Selecting a new language pack changes the language for text that appears in dialog boxes, menus, toolbars and button labels. You must restart &brandShortName; for a new language pack to take effect.">
+<!ENTITY contentIntro.label             "Selecting a new content pack changes items in the Sidebar, and changes the default home page, certain bookmarks, and other items. You will not lose bookmarks and other items that you have customized when you switch content packs.">
+<!ENTITY languageIntro.label            "Selecting a new language pack changes the language for text that appears in dialog boxes, menus, toolbars and button labels.">
+<!ENTITY restartOnLangChange.label      "Changes to content or language packs take effect when you restart &brandShortName;.">
 <!ENTITY installedContentPacks.label    "Installed content packs:">
 <!ENTITY installedLanguagePacks.label   "Installed language packs:">
 <!ENTITY downloadContentPacks.accesskey "d">