webapp: Improve javascript's handling of longpolling connection failures, by reloading the current page in this case. Works around chromium behavior where ajax connections to urls that were already accessed are denied after navigating back to a previous page.

templates/notifications/longpolling.julius

@@ -3,7 +3,7 @@ $(function() {
 		var f = function() {
 			longpoll(url, #{ident}
 				, function() { setTimeout(f, #{delay}); }
-				, function() { webapp_disconnected(); }
+				, function() { window.location.reload(true); }
 			);	
 		};
 		setTimeout(f, #{startdelay});

templates/page.julius

@@ -1,17 +0,0 @@
-connfailed =
-  '<div id="modal" class="modal fade">' +
-  '  <div class="modal-header">' +
-  '    <h3>git-annex has shut down</h3>' +
-  '  </div>' +
-  '  <div class="modal-body">' +
-  '    You can now close this browser window.' +
-  '  </div>' +
-  '</div>' ;
-
-function webapp_disconnected () {
-	$('#modal').replaceWith(connfailed);
-	$('#modal').modal('show');
-
-	// ideal, but blocked by many browsers
-	window.close();
-}