show created_on, last_modified for domain, mailbox

data/web/lang/lang.en-gb.json

@@ -550,6 +550,7 @@
         "client_id": "Client ID",
         "client_secret": "Client secret",
         "comment_info": "A private comment is not visible to the user, while a public comment is shown as tooltip when hovering it in a user's overview",
+        "created_on": "Created on",
         "delete1": "Delete from source when completed",
         "delete2": "Delete messages on destination that are not on source",
         "delete2duplicates": "Delete duplicates on destination",
@@ -576,6 +577,7 @@
         "hostname": "Hostname",
         "inactive": "Inactive",
         "kind": "Kind",
+        "last_modified": "Last modified",
         "lookup_mx": "Destination is a regular expression to match against MX name (<code>.*google\\.com</code> to route all mail targeted to a MX ending in google.com over this hop)",
         "mailbox": "Edit mailbox",
         "mailbox_quota_def": "Default mailbox quota",
@@ -748,6 +750,7 @@
         "booking_ltnull": "Unlimited, but show as busy when booked",
         "booking_lt0_short": "Soft limit",
         "catch_all": "Catch-All",
+        "created_on": "Created on",
         "daily": "Daily",
         "deactivate": "Deactivate",
         "description": "Description",
@@ -779,6 +782,7 @@
         "insert_preset": "Insert example preset \"%s\"",
         "kind": "Kind",
         "last_mail_login": "Last mail login",
+        "last_modified": "Last modified",
         "last_pw_change": "Last password change",
         "last_run": "Last run",
         "last_run_reset": "Schedule next",