markdown edition : basic
fixed :removing markdown part editor now is ok.
Fixed; Themes using bootstrap sets box-sizing:border-box. This breaks all of our buttons.
Added an user info in the top right corner.

Added dropit.js
overriding bootstrap box-sizing in markdown dialog.

fixed style in prompt of markdown dialog for inserting hyperlinks.
formatting css.
Added a link to open markdown dialog when there is no content.
adding dialogextend script to allow maximize markdown editor.
User menu only allows logout.