toString() of various delegates to interop with javac (FileObjectWrapper and InterceptingJavaFileObject) now also delegated. Relevant for IntelliJ support.

src/core/lombok/javac/apt/InterceptingJavaFileObject.java

@@ -148,4 +148,9 @@ final class InterceptingJavaFileObject implements LombokFileObject {
 	public URI toUri() {
 		return delegate.toUri();
 	}
+	
+	@Override
+	public String toString() {
+		return delegate.toString();
+	}
 }

src/core/lombok/javac/apt/Javac6BaseFileObjectWrapper.java

@@ -108,4 +108,8 @@ class Javac6BaseFileObjectWrapper extends com.sun.tools.javac.util.BaseFileObjec
 	@Override public int hashCode() {
 		return delegate.hashCode();
 	}
+	
+	@Override public String toString() {
+		return delegate.toString();
+	}
 }

src/core/lombok/javac/apt/Javac7BaseFileObjectWrapper.java

@@ -108,4 +108,8 @@ class Javac7BaseFileObjectWrapper extends com.sun.tools.javac.file.BaseFileObjec
 	@Override public int hashCode() {
 		return delegate.hashCode();
 	}
+	
+	@Override public String toString() {
+		return delegate.toString();
+	}
 }