Update the project for new dependencies and Xcode;

Author: Antondomashnev

FBSnapshotTestCase.xcodeproj/project.pbxproj

@@ -657,6 +657,7 @@
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -687,6 +688,7 @@
 				PRODUCT_NAME = FBSnapshotTestCase;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -831,6 +833,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.facebook.FBSnapshotTestCase;
 				PRODUCT_NAME = FBSnapshotTestCase;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -858,6 +861,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.facebook.FBSnapshotTestCase;
 				PRODUCT_NAME = FBSnapshotTestCase;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};