Mac Project update, Crashlytics/Fabric update, MP API update and other build fixes.

External/Mac/Crashlytics.framework/Versions/A/Headers/ANSCompatibility.h

@@ -0,0 +1,31 @@
+//
+//  ANSCompatibility.h
+//  AnswersKit
+//
+//  Copyright (c) 2015 Crashlytics, Inc. All rights reserved.
+//
+
+#pragma once
+
+#if !__has_feature(nullability)
+#define nonnull
+#define nullable
+#define _Nullable
+#define _Nonnull
+#endif
+
+#ifndef NS_ASSUME_NONNULL_BEGIN
+#define NS_ASSUME_NONNULL_BEGIN
+#endif
+
+#ifndef NS_ASSUME_NONNULL_END
+#define NS_ASSUME_NONNULL_END
+#endif
+
+#if __has_feature(objc_generics)
+#define ANS_GENERIC_NSARRAY(type) NSArray<type>
+#define ANS_GENERIC_NSDICTIONARY(key_type,object_key) NSDictionary<key_type, object_key>
+#else
+#define ANS_GENERIC_NSARRAY(type) NSArray
+#define ANS_GENERIC_NSDICTIONARY(key_type,object_key) NSDictionary
+#endif