ENH: Updated DTIAtlasFiberAnalyzer from revision 131 to revision 137

Creating release 1.5
http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dti_tract_stat&revision=137
BUG: in fiberprocessing.cxx, 'ad' was refered as 'ad' instead of 'l1'
http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dti_tract_stat&revision=136
BUG: Do not try to install fiberprocess if it is not build
http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dti_tract_stat&revision=135
BUG: correct handling of data without ID column, detection of zipped vtk files (for no recompute)
http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dti_tract_stat&revision=134
STYLE: remove debug messages
http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dti_tract_stat&revision=133
BUG: Problem in variable name. It has one '_' too many install_dir was not always defined correctly
http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dti_tract_stat&revision=132
ENH: Update DTIAtlasBuilder from revision 61d7dde1271e6ddf12b0682ff9aa8b570db6caa2 to revision 3c44cf904758bce17c93a18f077d271bd8671c40

https://github.com/NIRALUser/DTIAtlasBuilder/compare/61d7dde1271e6ddf12b0682ff9aa8b570db6caa2%E2%80%A63c44cf904758bce17c93a18f077d271bd8671c40
Updated TransformVisualizer: update according to the new warp transform API
Merge pull request #628 from fbudin69500/update-DTIAtlasFiberAnalyzer

ENH: Updated DTIAtlasFiberAnalyzer from revision 131 to revision 137
Merge pull request #629 from fbudin69500/update-DTIAtlasBuilder

ENH: Update DTIAtlasBuilder from revision 61d7dde1271e6ddf12b0682ff9aa8b...
Merge pull request #631 from SlicerRt/update-TransformVisualizer

Updated TransformVisualizer: update according to the new warp transform API