Update to Xcode 6.1.1 recommended project settings

+ LLVM 6.0 Warning - Unreachable Code
+ LLVM 6.0 Preprocessing - Enable Strict Checking of objc_msgSend Calls

Author: kharrison

WorldFacts/WorldFacts.xcodeproj/project.pbxproj

@@ -214,7 +214,7 @@
 			isa = PBXProject;
 			attributes = {
 				CLASSPREFIX = UYL;
-				LastUpgradeCheck = 0500;
+				LastUpgradeCheck = 0610;
 			};
 			buildConfigurationList = 538A7972157E567E0007B8A5 /* Build configuration list for PBXProject "WorldFacts" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -294,10 +294,12 @@
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "iPhone Developer: Keith Harrison (WT6HWP7T28)";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer: Keith Harrison (WT6HWP7T28)";
 				COPY_PHASE_STRIP = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
@@ -331,10 +333,12 @@
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "iPhone Developer: Keith Harrison (WT6HWP7T28)";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer: Keith Harrison (WT6HWP7T28)";
 				COPY_PHASE_STRIP = YES;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;