Add SSL user options so the page can be plain HTTP

www/assets/js/ui.js

@@ -454,3 +454,16 @@ $("#sitefooter").load("footer.html");
 $(":input:not(textarea)").keypress(function(ev) {
     return ev.keyCode != 13;
 });
+
+if (location.protocol === "https:") {
+    var title = "Warning";
+    var text = "You connected to this page via HTTPS.  Due to browser "+
+               "security policy, certain media players may throw warnings,"+
+               " while others may not work at all due to only being "+
+               "available over plain HTTP.<br>To encrypt your websocket "+
+               "traffic and API calls (logins, account management, etc) "+
+               "while loading this page over plain HTTP, enable the SSL "+
+               "option from the Options menu.";
+    makeAlert(title, text, "alert-warning")
+        .appendTo($("#announcements"));
+}