[hugin-ptx] On nona-gpu performance.

Hi all, I have listened to the execellent talks of Andrew at LGM about nona-gpu (and enblend/enfuse) at: http://river-valley.tv/nona-gpu-image-remapping-on-the-graphics-processor/ http://river-valley.tv/enblendenfuse-technology-talk/ and finally gave nona-gpu a quick try on my workstation. Her

[hugin-ptx] gsoc2008_integration merged into trunk

Hi all, I have just merged the gsoc2008_integration branch into the trunk. This means that: * OpenGL Preview and Batch Processor are in the trunk * The gsoc2008_integration branch is obselete, and should not be used for future development. * The Sky identification, control point matching and m