Updated the iOS Example app deployment target to iOS 8.0.

Example/iOS Example.xcodeproj/project.pbxproj

@@ -439,6 +439,7 @@
 				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
 				CLANG_ENABLE_MODULES = YES;
 				INFOPLIST_FILE = Resources/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "org.alamofire.iOS-Example";
 				PRODUCT_NAME = "iOS Example";
@@ -454,6 +455,7 @@
 				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
 				CLANG_ENABLE_MODULES = YES;
 				INFOPLIST_FILE = Resources/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "org.alamofire.iOS-Example";
 				PRODUCT_NAME = "iOS Example";