sanitize image name

this couple of filter functions allow to upload image files with only numbers in the filename, avoiding the ‘attachment’ in the URL. ie: www.example.com/category/page/img_1/ instead of www.example.com/category/page/attachment/1/

1. Upload sanitize_image_name directory to the /wp-content/plugins/ directory
2. Activate the plugin through the ‘Plugins’ menu in WordPress

0.1

• First release.