Added ability to provide directory prefix to images files
	modified:   vismon.py
Minor edit
Merge branch 'master' of github.com:hsuyeep/afaac_GPU_interface
Merge branch 'master' of github.com:hsuyeep/afaac_GPU_interface
I dont know why git wants to merge, but upstream origin was last committed by ads001
Commit with a working vismon.py, complete with command line options and fftimaging.
	modified:   gengpuimg.m
	modified:   gpu2mat.py
	modified:   parsegpulog.py
	modified:   showvismonimg.py
	modified:   vismon.py