Fix all warnings when compiling with Xcode 7.

ParseUI/Classes/Internal/Views/Buttons/PFActionButton.m

@@ -33,13 +33,24 @@ @interface PFActionButton ()
 
 @property (nonatomic, strong) PFActionButtonConfiguration *configuration;
 
+- (instancetype)initWithCoder:(nonnull NSCoder *)decoder NS_DESIGNATED_INITIALIZER;
+- (instancetype)initWithFrame:(CGRect)frame NS_DESIGNATED_INITIALIZER;
+
 @end
 
 @implementation PFActionButton
 
 #pragma mark -
 #pragma mark Init
 
+- (instancetype)initWithFrame:(CGRect)frame {
+    return [super initWithFrame:frame];
+}
+
+- (instancetype)initWithCoder:(nonnull NSCoder *)decoder {
+    return [super initWithCoder:decoder];
+}
+
 - (instancetype)initWithConfiguration:(PFActionButtonConfiguration *)configuration
                           buttonStyle:(PFActionButtonStyle)buttonStyle {
     self = [super initWithFrame:CGRectZero];
@@ -159,6 +170,10 @@ @implementation PFActionButtonConfiguration
 #pragma mark -
 #pragma mark Init
 
+- (instancetype)init {
+    return [self initWithBackgroundImageColor:nil image:nil];
+}
+
 - (instancetype)initWithBackgroundImageColor:(UIColor *)backgroundImageColor
                                        image:(UIImage *)image {
     self = [super init];

ParseUI/Classes/Internal/Views/Buttons/PFPrimaryButton.m

@@ -29,13 +29,24 @@ @interface PFPrimaryButton ()
     UIActivityIndicatorView *_activityIndicatorView;
 }
 
+- (instancetype)initWithCoder:(nonnull NSCoder *)decoder NS_DESIGNATED_INITIALIZER;
+- (instancetype)initWithFrame:(CGRect)frame NS_DESIGNATED_INITIALIZER;
+
 @end
 
 @implementation PFPrimaryButton
 
 #pragma mark -
 #pragma mark Init
 
+- (instancetype)initWithFrame:(CGRect)frame {
+    return [super initWithFrame:frame];
+}
+
+- (instancetype)initWithCoder:(nonnull NSCoder *)decoder {
+    return [super initWithCoder:decoder];
+}
+
 - (instancetype)initWithBackgroundImageColor:(UIColor *)color {
     self = [super initWithFrame:CGRectZero];
     if (!self) return nil;

ParseUI/Classes/LogInViewController/PFLogInViewController.m

@@ -146,7 +146,7 @@ - (void)viewWillAppear:(BOOL)animated {
     }
 }
 
-- (NSUInteger)supportedInterfaceOrientations {
+- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
         return UIInterfaceOrientationMaskAll;
     }

ParseUI/Classes/QueryCollectionViewController/PFQueryCollectionViewController.m

@@ -80,6 +80,10 @@ - (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibB
     return self;
 }
 
+- (instancetype)initWithCollectionViewLayout:(UICollectionViewLayout *)layout {
+    return[self initWithCollectionViewLayout:layout className:nil];
+}
+
 - (instancetype)initWithCollectionViewLayout:(UICollectionViewLayout *)layout className:(NSString *)className {
     self = [super initWithCollectionViewLayout:layout];
     if (!self) return nil;

ParseUI/Classes/SignUpViewController/PFSignUpViewController.m

@@ -130,7 +130,7 @@ - (void)viewWillAppear:(BOOL)animated {
 #pragma mark -
 #pragma mark Rotation
 
-- (NSUInteger)supportedInterfaceOrientations {
+- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
         return UIInterfaceOrientationMaskAll;
     }