Fade unlock VC + search bar responder fix.

[ADDED]     Fade effect to unlock view.
[UPDATED]   Signing profiles.
[FIXED]     A rare bug that caused the search bar to remain first responder without making it take input or dismissable (hopefully fixed, at least).

MasterPassword/iOS/MPMainViewController.m

@@ -143,6 +143,9 @@
 - (void)viewDidAppear:(BOOL)animated {
 
     inf(@"Main will appear");
+    
+    // Sometimes, the search bar gets stuck in some sort of first-responder mode that it can't get out of...
+    [self.searchDisplayController.searchBar resignFirstResponder];
 
     // Needed for when we appear after a modal VC dismisses:
     // We can't present until the other modal VC has been fully dismissed and presenting in viewDidAppear will fail.

MasterPassword/iOS/MPUnlockViewController.h

@@ -25,6 +25,7 @@
 @property (weak, nonatomic) IBOutlet UIView *wordWall;
 @property (strong, nonatomic) IBOutlet UILongPressGestureRecognizer *targetedUserActionGesture;
 @property (weak, nonatomic) IBOutlet UIActivityIndicatorView *loadingUsersIndicator;
+@property (weak, nonatomic) IBOutlet UIView *uiContainer;
 
 @property (nonatomic, strong) UIColor *avatarShadowColor;
 

MasterPassword/iOS/MPUnlockViewController.m

@@ -45,6 +45,7 @@
 @synthesize wordWall;
 @synthesize targetedUserActionGesture;
 @synthesize loadingUsersIndicator;
+@synthesize uiContainer;
 @synthesize avatarShadowColor = _avatarShadowColor;
 @synthesize wordWallAnimating = _wordWallAnimating;
 @synthesize wordList = _wordList;
@@ -184,6 +185,7 @@
     [self setCreatePasswordTipView:nil];
     [self setPasswordFieldLabel:nil];
     [self setLoadingUsersIndicator:nil];
+    [self setUiContainer:nil];
     [super viewDidUnload];
 }
 
@@ -195,6 +197,8 @@
     self.selectedUser = nil;
     [self updateUsers];
 
+    self.uiContainer.alpha = 0;
+
     [super viewWillAppear:animated];
 }
 
@@ -205,6 +209,10 @@
     else
         [self updateLayoutAnimated:YES allowScroll:YES completion:nil];
 
+    [UIView animateWithDuration:0.3 animations:^{
+        self.uiContainer.alpha = 1;
+    }];
+
     [super viewDidAppear:animated];
 }