Update jquery.inline-attach.js

+Small fix to could attach the drop event to images
+added a optional method to transfer dynamic data:
 Example: A Gallery based on the ID which is in the IMG-Tag, the ID will be transfered to work with it(to change the name of the uploaded file to(example): 2065.jpg
+editor.getNecessary : getNecessary is the collector which will contain all options for the formData() functionality @each object