BUG: use size_t for accumulating image size in numpy conversion

This bug prevented conversion of 4GB+ sized images from SimpleITK to
numpy.

Change-Id: Ie5bb807caf9f2107516e9a9fdb843258bfddd4a4
Remove using ITK when wrapping.

When compiled on windows there a is command line length limit 8192. If
SimpleITK is build against an uninstalled ITK, then this limit will be
exceeded due to too many include paths. The Lua main has some minor
dependencies on itk headers; these have been removed.

This issue was reported by Andras Lasso from the Slicer community:
http://www.na-mic.org/Bug/view.php?id=3157

Change-Id: Ib0a8184a25ea92df05cd651608263e0ffc4f84d5
Don't link all BasicFilters libraries to prior.

Only the last BasicFilter library which contains the additional
sources, should be linked against the priors.

Change-Id: If84e419f1f5778e88a0bf547f1644f8787d3c7b7
Merge topic 'SIMPLEITK-408_ReduceIncludePath'

481e45e Remove using ITK when wrapping.
Merge topic 'SIMPLEITK-406_NumpyConversion4GBlimit'

ba03134 BUG: use size_t for accumulating image size in numpy conversion
Merge topic 'SIMPLEITK-409_RemoveExtraLinkageForBasicFilters'

d86ac5d Don't link all BasicFilters libraries to prior.