fixed issue 391: Using 'staticConstructor' on @Data whilst an @XxxArgsConstructor is present means it gets ignored, but until now lombok didn't warn you about this.

test/transform/resource/before/ConflictingStaticConstructorNames.java

@@ -0,0 +1,4 @@
+@lombok.Data(staticConstructor="of")
+@lombok.NoArgsConstructor
+class ConflictingStaticConstructorNames {
+}