improved handling of writing out the estimated B=0 image, and added the ability to scale the tensors  (with tenSizeScale) after estimation
improved handling of writing out the estimated B=0 image, and added
the ability to scale the tensors  (with tenSizeScale) after estimation


git-svn-id: 9e9401559e51101c165cdce4d49b411eb20436ed@1908 3d70eeeb-363e-0410-a505-8a46323a89f2

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