added the abiliyt to pad the axis just created, using a given boundary spec.  This also requires being slightly smarter about how the kind is set - the default stub kind is not appropriate in the case of padding, so we use the new hestSource enum to see if the kind is set via default vs via user
added the abiliyt to pad the axis just created, using a given boundary spec.  This also requires being slightly smarter about how the kind is set - the default stub kind is not appropriate in the case of padding, so we use the new hestSource enum to see if the kind is set via default vs via user

git-svn-id: 9e9401559e51101c165cdce4d49b411eb20436ed@6154 3d70eeeb-363e-0410-a505-8a46323a89f2

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