update readme versions

Author: pmairoldi

Charts.xcodeproj/project.pbxproj

@@ -1047,7 +1047,7 @@
 					"@loader_path/Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = "$(RECOMMENDED_MACOSX_DEPLOYMENT_TARGET)";
-				MARKETING_VERSION = 4.1.0;
+				MARKETING_VERSION = 5.0.0;
 				MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
 				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu99 gnu++11";
 				MTL_ENABLE_DEBUG_INFO = YES;
@@ -1240,7 +1240,7 @@
 					"@loader_path/Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = "$(RECOMMENDED_MACOSX_DEPLOYMENT_TARGET)";
-				MARKETING_VERSION = 4.1.0;
+				MARKETING_VERSION = 5.0.0;
 				MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
 				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu99 gnu++11";
 				MTL_ENABLE_DEBUG_INFO = NO;