STYLE: When moving from svn to git historical cleanup

Around April 6th, 2012 some svn mistakes were made that
lost historical linkage.  This was resolved during migration
from git to svn, but some nearby patches needed to be merged
to make the history make sense.

BUG: Point to temporary ITKv4 fix in code to avoid segmentation fault.
BUG: not sure how it crept in but bad variable names
ENH: 4D KK
ENH: Manually merged many commits.
COMP:  Remove warnings.
COMP:  Atropos compilation warnings.
COMP:  A final warning fix.
DOC:  Fixing stage numbers.
ENH:  Adding b-spline displacement field from landmarks.
ENH:  Adding b-spline displacement field from landmarks.
ENH: getting rid of mandatory vtk download
BUG: Got it working.
BUG:  Negative volues weren't being processed on the command line correctly.
BUG:  initial template specification.
BUG:  initial template specification.
ENH:  Added demons metric.
ENH:  Removed unnecessary versions and options which were created when we were debugging the code.
DOC:  Adding documentation for KellyKapowski.cxx.  BUG:  Wasn't specifying the domain properly for the B-spline transform.
Minor changes

BUG: Stop AverageTensorImages from segfaulting if run with no args

DOC: Add some guidance to buildtemplateparallel usage

COMP: Added variable to antsIntroduction to set number of affine iterations, makes it easier to
change the default of 10000x10000x10000x10000, which can cause memory and performance problems
ENH: getting antsMotionCorr in sync with trunk
ENH: getting antsMotionCorr in sync with trunk --- needed antscout
ENH: motion corr example
ENH: sccan testing
ENH: Update the git svn bridge info.