Xcode project settings update: Swift 5, base i18n, etc

Author: Yuriy Makarov

Example/MYTableViewIndex.xcodeproj/project.pbxproj

@@ -228,13 +228,13 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 1000;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = "Makarov Yury";
 				TargetAttributes = {
 					607FACCF1AFB9204008FA782 = {
 						CreatedOnToolsVersion = 6.3.1;
 						DevelopmentTeam = WDCQ6B387N;
-						LastSwiftMigration = 0900;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
 					607FACE41AFB9204008FA782 = {
@@ -247,7 +247,7 @@
 			};
 			buildConfigurationList = 607FACCB1AFB9204008FA782 /* Build configuration list for PBXProject "MYTableViewIndex" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
@@ -544,7 +544,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "my.MYTableViewIndex-Example";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -564,7 +564,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "my.MYTableViewIndex-Example";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};

Example/MYTableViewIndex.xcodeproj/xcshareddata/xcschemes/MYTableViewIndex-Example.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"