Adding wrapping for ScaleSkewVersorTransform

Change-Id: Iaa74f268f74a5817031d7ab6f7514fc3c6366446
Adding comprehensive testing for ScaleSkewVersorTransform

Change-Id: Id0730ba60c0248e48a2c90e55867ad4bd81543aa
Move Matrix/Direction conversion function to TemplateFunctions header

Refactored the PimpleImage class to make use of these macros too.

Change-Id: I6a4a0a42fe15aeb42cb1298a2b3edb65cbefbb86
Adding protected constructor for derived classes to construct pimple

This allows derived classed more flexibility in how the pimple
transform is created or copied.

Change-Id: I39c7d244beed685904e61830c3fd2ac77d677f88
Adding transform specific interface for bspline transforms

Change-Id: I8fea24059f471a58db9552a67c5829dddfbe946d
Adding basic testing for BSplineTransform

Change-Id: I75e49fd0507a930e4fbb3e4ade6cec836daf9082
Adding testing of point transform and skew setter

Change-Id: I376543067e02cf304a8c358a2f70315390e8e6d8
Adding rough json file to generate initial code

Change-Id: I96a1c3b04ab10b02d846a60d31b66e11f7cf0079
Adding initial generate code from json
Rename initial generated files
Modify generate code for BSplineTransformInitializerFilter

The generated class BSplineTransformInitalizer has been renamed with
the filer suffix. It now returns a BSplineTransform. And the Internal
Execute method has been updated to execute the non-filter object.

Change-Id: I23019cef01f9b89c0722def63872418629ed80c8
Adding testing for the BSplineTransfromInitalizerFilter

Change-Id: I1fcedad7abfa6db474a6202e487527a763a4fd20
Correct skewed point expected value

Change-Id: I6c89b70318092d4f8fd3abc582fd6e88a9f07174
Updating to the official ITK v4.6.0 tag

Change-Id: Idd22f168c475626c2753f543f28bb816caf60c23
Adding GetCoefficientImages method

Change-Id: I28b38c7c017d1a7cc190fc99afe5a838e557594e
Fix errors in the BSpline test

Fixing careless typos and erroneous values.

Change-Id: I9cac00a498775a0fe170ab19306a7601a33e67c2
Merge topic 'SIMPLEITK-543_UpgradeITKTowards4.6'

b5ebf54b Updating to the official ITK v4.6.0 tag
Merge topic 'SIMPLEITK-567_AddScaleSkewVersorTransform'

eff3f7fe Correct skewed point expected value
0ca4c437 Adding testing of point transform and skew setter
10956555 Adding comprehensive testing for ScaleSkewVersorTransform
e666f1cc Adding wrapping for ScaleSkewVersorTransform
Merge topic 'SIMPLEITK-538_AddBSplineTransformSpecificInterface'

976770d8 Fix errors in the BSpline test
3d88af21 Adding GetCoefficientImages method
c678da7c Adding testing for the BSplineTransfromInitalizerFilter
72517420 Modify generate code for BSplineTransformInitializerFilter
35338d98 Rename initial generated files
32cac192 Adding initial generate code from json
f51efddb Adding rough json file to generate initial code
ff7aecb9 Adding basic testing for BSplineTransform
b54bea16 Adding transform specific interface for bspline transforms
812d21ce Adding protected constructor for derived classes to construct pimple
fbce697f Move Matrix/Direction conversion function to TemplateFunctions header