Upgrade to v1.7.16

riot/welcome.html

@@ -169,7 +169,7 @@ we don't have an account and should hide them. No account == no guest account ei
 </style>
 
 <div class="mx_Parent">
-    <a href="https://riot.im" target="_blank" rel="noopener">
+    <a href="https://element.io" target="_blank" rel="noopener">
         <img src="welcome/images/logo.svg" alt="" class="mx_Logo"/>
     </a>
     <h1 class="mx_Header_title">_t("Welcome to Element")</h1>
@@ -185,7 +185,7 @@ we don't have an account and should hide them. No account == no guest account ei
         </div>
         <!-- The comments below are meant to be used by Ansible as a quick way
              to strip out the marked content when desired.
-             See https://github.com/vector-im/riot-web/issues/8622.
+             See https://github.com/vector-im/element-web/issues/8622.
              TODO: Strip out these comments and rely on the guest flag -->
         <!-- BEGIN Ansible: Remove these lines when guest access is disabled -->
         <div class="mx_ButtonRow mx_WelcomePage_guestFunctions">