[ptx] Enblend and hugin

[J. Schneider]

Pablo d'Angelo schrieb:
> Yes, its a hugin bug. I'll commit a fix later this week

Fine, thanks!

> ... (still no 
> internet at home.. argh...)
(Poor guy!)
> Additionally, the "delete temporary enblend tif files" will only delete 
> the remapped files if enblend is called, and nona will support circular 
> cropping of fisheye images.
Great both of it. Now just a fisheye lens should be shipped with hugin...

Joachim