changed the index page to jsp file and added login functionality
Added internal css,changed the form to div and modified the page to make ajax cals instead of form submits.
Changed the keywordsOccurence method to return empty list if the document has no paragraphs.Also modified the getSimilarFeeds method to return json response with error message if the response from keywordsOccurence is a empty list
Changed the response content type to json and added diferent json response depending on the response from urkInfo.getSimilarFeeds.
Changed the response type to json and the servlet method to doGet because the form submit is removed in order to get a single page aplication using ajax calls