Updating default en.yml translations

lang/en.yml

@@ -1,6 +1,7 @@
 en:
   AssetAdmin:
     ADDFILES: 'Add Files'
+    ALLOWEDEXTS: 'Allowed extensions'
     ActionAdd: 'Add folder'
     AppCategoryArchive: Archive
     AppCategoryAudio: Audio
@@ -138,7 +139,6 @@ en:
     MENUTITLE: Pages
     TreeView: 'Tree View'
   CMSPagesController_ContentToolbar.ss:
-    ENABLEDRAGGING: 'Drag''n''drop'
     MULTISELECT: Multi-selection
   CMSPagesController_Tools.ss:
     FILTER: Filter
@@ -173,7 +173,7 @@ en:
     PUBLISHEDSITE: 'Published Site'
     Password: Password
     PostInstallTutorialIntro: 'This website is a simplistic version of a SilverStripe 3 site. To extend this, please take a look at {link}.'
-    StartEditing: 'You can start editing your site\''s content by opening <a href="{link}">the CMS</a>.'
+    StartEditing: 'You can start editing your content by opening <a href="{link}">the CMS</a>.'
     UnableDeleteInstall: 'Unable to delete installation files. Please delete the files below manually'
     VIEWPAGEIN: 'View Page in:'
   ErrorPage:
@@ -323,9 +323,9 @@ en:
     LINKCHANGENOTE: 'Changing this page''s link will also affect the links of all child pages.'
     MENUTITLE: 'Navigation label'
     METADESC: 'Meta Description'
-    METADESCHELP: 'Search engines use this content for displaying search results (although it will not influence their ranking).'
     METAEXTRA: 'Custom Meta Tags'
-    METAEXTRAHELP: 'HTML tags for additional meta information. For example &lt;meta name="customName" content="your custom content here" /&gt;'
+    METAKEYWORDS: 'Meta Keywords'
+    METATITLE: 'Meta Title'
     MODIFIEDONDRAFTHELP: 'Page has unpublished changes'
     MODIFIEDONDRAFTSHORT: Modified
     MetadataToggle: Metadata
@@ -387,8 +387,6 @@ en:
     VIEWLAST: 'View last'
     VIEWNEXT: 'View next'
     VIEWPREVIOUS: 'View previous'
-  TreeTools:
-    DisplayLabel: 'Display:'
   ViewArchivedEmail.ss:
     CANACCESS: 'You can access the archived site at this link:'
     HAVEASKED: 'You have asked to view the content of our site on'