fixing security issue with the alert and the confirm dialogs
deleting summernote min js
making viewerPDF secure
making viererBrowser secure in node-webkit
sketching utf8 file saving
fixing #23 css in markdown
improving html of the dialog
setting the default editor for xhtml files to editorText as proposed in #31
partly fixing #25 by removing script tags from the md content
quoting the file to be deleted
partly fixing #25 by sanitizing the file paths
fixing margin issue in the alternative directory navigation