Merge branch 'soon' into staging

www/common/translations/messages.json

@@ -1377,5 +1377,7 @@
     "code_editorTheme": "Editor theme",
     "toolbar_file": "File",
     "slide_backCol": "Background color",
-    "slide_textCol": "Text color"
+    "slide_textCol": "Text color",
+    "support_languagesPreamble": "This server's administrators speak the following languages:",
+    "settings_safeLinkDefault": "Safe Links are now turned on by default. Please use the <i class=\"fa fa-shhare-alt\"></i> <b>Share</b> menu to copy links rather than your browser's address bar."
 }