Fixed Non-ASCII attachment filename will crash when downloading.

Thanks to xet7 !

Fixes #2759

packages/wekan-cfs-access-point/access-point-client.js

@@ -0,0 +1,58 @@
+FS.HTTP.setHeadersForGet = function setHeadersForGet() {
+  // Client Stub
+};
+
+FS.HTTP.now = function() {
+  return new Date(new Date() + FS.HTTP._serverTimeDiff);
+};
+
+// Returns the localstorage if its found and working
+// TODO: check if this works in IE
+// could use Meteor._localStorage - just needs a rewrite
+FS.HTTP._storage = function() {
+  var storage,
+      fail,
+      uid;
+  try {
+    uid = "test";
+    (storage = window.localStorage).setItem(uid, uid);
+    fail = (storage.getItem(uid) !== uid);
+    storage.removeItem(uid);
+    if (fail) {
+      storage = false;
+    }
+  } catch(e) {
+    console.log("Error initializing storage for FS.HTTP");
+    console.log(e);
+  }
+
+  return storage;
+};
+
+// get our storage if found
+FS.HTTP.storage = FS.HTTP._storage();
+
+FS.HTTP._prefix = 'fsHTTP.';
+
+FS.HTTP._serverTimeDiff = 0; // Time difference in ms
+
+if (FS.HTTP.storage) {
+  // Initialize the FS.HTTP._serverTimeDiff
+  FS.HTTP._serverTimeDiff = (1*FS.HTTP.storage.getItem(FS.HTTP._prefix+'timeDiff')) || 0;
+  // At client startup we figure out the time difference between server and
+  // client time - this includes lag and timezone
+  Meteor.startup(function() {
+    // Call the server method an get server time
+    HTTP.get(rootUrlPathPrefix + '/cfs/servertime', function(error, result) {
+      if (!error) {
+        // Update our server time diff
+        var dateNew = new Date(+result.content);
+        FS.HTTP._serverTimeDiff = dateNew - new Date();// - lag or/and timezone
+        // Update the localstorage
+        FS.HTTP.storage.setItem(FS.HTTP._prefix + 'timeDiff', FS.HTTP._serverTimeDiff);
+      } else {
+      	console.log(error.message);
+      }
+    }); // EO Server call
+  });
+}