README is now in english, and requirements.txt is up to date with the addition of Flask-Babel
Wsgi file to serve Downpub with uwsgi
python3 instead of default python to avoid confusion. I don't want to deal with both versions (2 and 3)
Addition of prettify js lib, whick doesn't work yet, and a live preview side by side with the editor
Preview enhancement : serif fonts, black text with white background, and so on...
Cleanup for the update of the textarea with epiceditor's content