Changed some files to Windows line endings. Added a new function to jquery.util to generate a string with the size of a file given a integer with size in bytes. Added a little transition effect to buttons and main menu dropdown elements. Updated .gitignore. Improved function 'onAjaxError' in 'jquery.util'. Added two new functions in Util Validator class to check if is a scalar number or is a url. Added a robots.txt file to deny all access (at the moment...).