COMP: Update ITKv4/SimpleITK/BRAINSTools to use latest ITK release candidate

ITKv4: b95e6a0c835 # v4.5rc02 with one patch

SimpleITK: 83c344feff4b085 # Patched v0.7.1

BRAINSTools: bd755e2d82b7b

For more details, consider reading:

 "ITK 4.5 Release Candidate 1 has been tagged!"
 See http://public.kitware.com/pipermail/community/2013-November/000453.html

 "ITK 4.5 Release Candidate 2 has been tagged!"
 See http://public.kitware.com/pipermail/community/2013-December/000531.html

  https://github.com/BRAINSia/BRAINSTools/compare/8c2fb34b1f80ed0a68219292010087033fee8a4b...bd755e2d82b7b8b8454fcb579d416e39b16dff80

  https://github.com/SimpleITK/SimpleITK/compare/e2ec6bbfd7a68b9881f699513627ee9971dedeb9...83c344feff4b085df0879fd259337740f3f38c5d

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22755 3bd1e089-480b-0410-8dfb-8563597acbee