Crop images so the system UI is not visible. Closes #25

Docker/annotate_header.py

@@ -110,6 +110,7 @@ with Image.open(output_file) as im:
     if len(found_needles) == 0:
         exit(0)
     os.remove(output_file)
+    im = im.crop((0, 24, 2880, 1588))
     im = im.resize((im.width // 2, im.height // 2))
     output_filename = domain.replace(".", "_") + "_" + output_suffix
     im.save(output_dir + "/" + output_filename, "PNG")