updating project for xcode5

Author: Michael Ehrmann

PSMTabBarControl.xcodeproj/project.pbxproj

@@ -555,7 +555,7 @@
 		0259C573FE90428111CA0C5A /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0430;
+				LastUpgradeCheck = 0500;
 			};
 			buildConfigurationList = C056398B08A954F8003078D8 /* Build configuration list for PBXProject "PSMTabBarControl" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -712,21 +712,23 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 5A5652FC15D1E72F00F9EFD5 /* PSMTabBarControlDemo-Debug.xcconfig */;
 			buildSettings = {
+				COMBINE_HIDPI_IMAGES = YES;
 			};
 			name = Debug;
 		};
 		8BD4395E1185147E00DB4AC3 /* Release */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 5A5652FD15D1E72F00F9EFD5 /* PSMTabBarControlDemo-Release.xcconfig */;
 			buildSettings = {
+				COMBINE_HIDPI_IMAGES = YES;
 			};
 			name = Release;
 		};
 		C056398008A954F8003078D8 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 5A5652FF15D1E72F00F9EFD5 /* PSMTabBarControlFramework-Debug.xcconfig */;
 			buildSettings = {
-				GCC_ENABLE_OBJC_GC = supported;
+				COMBINE_HIDPI_IMAGES = YES;
 				ONLY_ACTIVE_ARCH = NO;
 			};
 			name = Debug;
@@ -735,7 +737,7 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 5A56530015D1E72F00F9EFD5 /* PSMTabBarControlFramework-Release.xcconfig */;
 			buildSettings = {
-				GCC_ENABLE_OBJC_GC = supported;
+				COMBINE_HIDPI_IMAGES = YES;
 			};
 			name = Release;
 		};