Added Spring NonNull and Nullable annotations

src/core/lombok/core/handlers/HandlerUtil.java

@@ -85,6 +85,7 @@ public class HandlerUtil {
 			"org.jetbrains.annotations.NotNull",
 			"android.support.annotation.NonNull",
 			"org.eclipse.jdt.annotation.NonNull",
+			"org.springframework.lang.NonNull"
 		}));
 		BASE_COPYABLE_ANNOTATIONS = Collections.unmodifiableList(Arrays.asList(new String[] {
 			"lombok.NonNull",
@@ -93,6 +94,7 @@ public class HandlerUtil {
 			"org.jetbrains.annotations.NotNull",
 			"android.support.annotation.NonNull",
 			"org.eclipse.jdt.annotation.NonNull",
+			"org.springframework.lang.NonNull",
 			"javax.annotation.Nullable",
 			"javax.annotation.CheckForNull",
 			"edu.umd.cs.findbugs.annotations.UnknownNullness",
@@ -100,6 +102,7 @@ public class HandlerUtil {
 			"org.jetbrains.annotations.Nullable",
 			"android.support.annotation.Nullable",
 			"org.eclipse.jdt.annotation.Nullable",
+			"org.springframework.lang.Nullable"
 		}));
 	}