Added tests for ecj, fixed a few minor bugs that came out of that.

test/transform/resource/after-ecj/CleanupPlain.java

@@ -0,0 +1,29 @@
+import lombok.Cleanup;
+import java.io.*;
+class CleanupPlain {
+  CleanupPlain() {
+    super();
+  }
+  void test() throws Exception {
+    @lombok.Cleanup InputStream in = new FileInputStream("in");
+    try 
+      {
+        @Cleanup OutputStream out = new FileOutputStream("out");
+        try 
+          {
+            if (in.markSupported())
+                {
+                  out.flush();
+                }
+          }
+        finally
+          {
+            out.close();
+          }
+      }
+    finally
+      {
+        in.close();
+      }
+  }
+}