Quiet Xcode 12.0 upgrade warnings

Author: zwaldowski

Configurations/Base.xcconfig

@@ -46,6 +46,7 @@ CLANG_WARN_INT_CONVERSION = YES
 CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES
 CLANG_WARN_INFINITE_RECURSION = YES
 GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR
+CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES
 CLANG_WARN_STRICT_PROTOTYPES = YES
 CLANG_WARN_COMMA = YES
 CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE

Deferred.xcodeproj/project.pbxproj

@@ -618,7 +618,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0820;
-				LastUpgradeCheck = 1120;
+				LastUpgradeCheck = 1200;
 				ORGANIZATIONNAME = "Big Nerd Ranch";
 				TargetAttributes = {
 					DB126C9F1E53685300054E95 = {

Deferred.xcodeproj/xcshareddata/xcschemes/Deferred.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1120"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Deferred.xcodeproj/xcshareddata/xcschemes/MobileDeferred.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1120"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Deferred.xcodeproj/xcshareddata/xcschemes/NanoDeferred.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1120"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Deferred.xcodeproj/xcshareddata/xcschemes/TVDeferred.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1120"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"