Minor improvements

[Pachat]

On the iPhone, when setting a date, we don't see the title of the current ToDo.
Sure we should remember, for we just saw it, but seing it while choosing the date will redice possible mistakes.

By the way, we don't have there the same view as in the iPhone's calendar to choose a date :
iPhone's : Frid. 23 Oct. hh mm
ToDo's : 23 october 2009

To be able to choose berween the two would be an improvement.
(usually the iPhone's presentation is preferable)