Allow submitters to edit their availability.
Allow submitters to edit their availability.

This was probably just a typo, but @manno, please take a
look at it to make sure I did not miss something.

fossgis/frab,afics/frab,afics/frab,fossgis/frab,stapelberg/frab,stapelberg/frab,devfest-berlin/frab,afics/frab,fossgis/frab,cketti/frab,devfest-berlin/frab,fossgis/frab,cketti/frab,gregmolnar/frab,henryk/frab,henryk/frab,gregmolnar/frab,devfest-berlin/frab,cketti/frab,henryk/frab,stapelberg/frab