public schedule: add #banner div
public schedule: add #banner div

Add a div with id="banner". By default, it's empty, but it may be filled
with content through custom css.

fossgis/frab,henryk/frab,henryk/frab,afics/frab,fossgis/frab,afics/frab,devfest-berlin/frab,fossgis/frab,devfest-berlin/frab,afics/frab,fossgis/frab,devfest-berlin/frab,henryk/frab