Added max number of failed attempts to demo app

Author: rolandleth

Demo/LTHPasscodeViewController Demo/LTHDemoViewController.m

@@ -83,6 +83,8 @@ - (void)viewDidLoad {
     _changePasscode.frame = CGRectMake(100, 300, 100, 50);
     _turnOffPasscode.frame = CGRectMake(100, 400, 100, 50);
 
+    [[LTHPasscodeViewController sharedUser] setMaxNumberOfAllowedFailedAttempts:2];
+    
     if ([self areBiometricsAvailable]) {
         _typeLabel = [[UILabel alloc] initWithFrame:(CGRect){230, 190, 60, 30}];
         _typeSwitch = [[UISwitch alloc] initWithFrame:(CGRect){230, 220, 100, 100}];
@@ -201,6 +203,7 @@ - (void)_touchIDPasscodeType:(UISwitch *)sender {
     [[LTHPasscodeViewController sharedUser] setAllowUnlockWithBiometrics:sender.isOn];
 }
 
+
 - (void)showLockViewForEnablingPasscode {
     [[LTHPasscodeViewController sharedUser] showForEnablingPasscodeInViewController:self
                                                                             asModal:YES];