update to new support URL

// FREEBIE

Signal/src/ViewControllers/AboutTableViewController.m

@@ -34,12 +34,11 @@
 
     OWSTableSection *helpSection = [OWSTableSection new];
     helpSection.headerTitle = NSLocalizedString(@"SETTINGS_HELP_HEADER", @"");
-    [helpSection
-        addItem:[OWSTableItem disclosureItemWithText:NSLocalizedString(@"SETTINGS_SUPPORT", @"")
-                                         actionBlock:^{
-                                             [[UIApplication sharedApplication]
-                                                 openURL:[NSURL URLWithString:@"http://support.whispersystems.org"]];
-                                         }]];
+    [helpSection addItem:[OWSTableItem disclosureItemWithText:NSLocalizedString(@"SETTINGS_SUPPORT", @"")
+                                                  actionBlock:^{
+                                                      [[UIApplication sharedApplication]
+                                                          openURL:[NSURL URLWithString:@"https://support.signal.org"]];
+                                                  }]];
     [contents addSection:helpSection];
 
     UILabel *copyrightLabel = [UILabel new];

Signal/src/ViewControllers/FingerprintViewController.m

@@ -490,7 +490,7 @@ typedef void (^CustomLayoutBlock)();
 - (void)learnMoreButtonTapped:(UIGestureRecognizer *)gestureRecognizer
 {
     if (gestureRecognizer.state == UIGestureRecognizerStateRecognized) {
-        NSString *learnMoreURL = @"https://support.whispersystems.org/hc/en-us/articles/"
+        NSString *learnMoreURL = @"https://support.signal.org/hc/en-us/articles/"
                                  @"213134107";
         [[UIApplication sharedApplication] openURL:[NSURL URLWithString:learnMoreURL]];
     }

Signal/src/ViewControllers/ProfileViewController.m

@@ -510,7 +510,7 @@ NSString *const kProfileView_LastPresentedDate = @"kProfileView_LastPresentedDat
 {
     if (sender.state == UIGestureRecognizerStateRecognized) {
         [UIApplication.sharedApplication
-            openURL:[NSURL URLWithString:@"https://support.whispersystems.org/hc/en-us/articles/115001110511"]];
+            openURL:[NSURL URLWithString:@"https://support.signal.org/hc/en-us/articles/115001110511"]];
     }
 }