added support suport for automagic pnm saving with ".pgm" and ".ppm" filename extensions (in nrrdSave)
added support suport for automagic pnm saving with ".pgm" and ".ppm"
filename extensions (in nrrdSave)


git-svn-id: 9e9401559e51101c165cdce4d49b411eb20436ed@112 3d70eeeb-363e-0410-a505-8a46323a89f2

Slicer/teem,Slicer/teem,Slicer/teem,BRAINSia/teem,Slicer/teem,Slicer/teem,BRAINSia/teem,BRAINSia/teem,BRAINSia/teem,BRAINSia/teem