added the levmar library from http://www.ics.forth.gr/~lourakis/levmar/ as a new external (alongside PNG, zlib, bzip2, and pthread), so that the ten library can do non-linear-least-squares fitting
added the levmar library from http://www.ics.forth.gr/~lourakis/levmar/ as a new external (alongside PNG, zlib, bzip2, and pthread), so that the ten library can do non-linear-least-squares fitting


git-svn-id: 9e9401559e51101c165cdce4d49b411eb20436ed@3603 3d70eeeb-363e-0410-a505-8a46323a89f2

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