Modify the cookies to expires far away.
Add a default web.config.

For now handle only expires
User and password are mandatory. re #76
Modify the .htaccess so that the login page can be accessed. re #76
Fix the thumbnail size (prepare for retina). re #73
Change the way images are shown. re #77

Jpeg quality is lowered but resolution is two times higher.
The image is then reduced with CSS.
The default value is changed.
Bigger line height (on bookpopup especially)