add translations

src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml

@@ -127,6 +127,7 @@
         <key alias="relations">Edit relations</key>
         <key alias="returnToList">Return to list</key>
         <key alias="save">Save</key>
+        <key alias="saveAndClose">Save and Close</key>
         <key alias="saveAndPublish">Publish</key>
         <key alias="saveAndPublishMany">Publish…</key>
         <key alias="saveAndSchedule">Save and schedule</key>
@@ -1384,7 +1385,7 @@ To manage your website, simply open the Umbraco back office and start adding con
         <key alias="templateErrorText">Please make sure that you do not have 2 templates with the same alias</key>
         <key alias="templateSavedHeader">Template saved</key>
         <key alias="templateSavedText">Template saved without any errors!</key>
-        <key alias="contentUnpublished">Content unpublished</key>
+        <key alias="contentUnpublished">Content unpublished</key>
         <key alias="contentVariationUnpublished">Content variation %0% unpublished</key>
         <key alias="partialViewSavedHeader">Partial view saved</key>
         <key alias="partialViewSavedText">Partial view saved without any errors!</key>
@@ -1416,7 +1417,7 @@ To manage your website, simply open the Umbraco back office and start adding con
         <key alias="memberExportedSuccess">Member was exported to file</key>
         <key alias="memberExportedError">An error occurred while exporting the member</key>
         <key alias="contentReqCulturePublishError">Cannot publish the document since the required '%0%' is not published</key>
-        <key alias="contentCultureValidationError">Validation failed for language '%0%'</key>
+        <key alias="contentCultureValidationError">Validation failed for language '%0%'</key>
         <key alias="contentCultureUnexpectedValidationError">Unexpected validation failed for language '%0%'</key>
     </area>
     <area alias="stylesheet">