[ptx] intellectual blending

[Michael Norel]

The noncomertial demo version of the "Intellectual Blending" released. I
sure it can be intresting to many list members.
Can be usefull to develop and integrate such thing in future in to the
Hugin.
http://www.anything3d.com/product/blending.php3

Such a kind of blending can be used on final stage with PanoTools, replasing
standart feathering technique.

Fight :
 Nonseamed objects
 Explosure
 Ghosting
Create :
 Tileable (Seamless) textures.
Leave geometri and sharpness without changes.