Tagged ITK v4.0 beta 1.

ITK 4.0a09

ITKv4 migration step A-09.

ITK 4.0a08

ITKv4 migration step A-08.

ITK 4.0a07

ITKv4 migration step A-07.

ITK 4.0a06

ITKv4 migration step A-06.  Last commit before modularization.

ITK 4.0a05

ITKv4 migration step A-05.

ITK 4.0a04

ITKv4 migration step A-04.

ITK 4.0a03

ITKv4 migration step A-03.

ITK 4.0a02

ITKv4 migration step A-02.

ITK 4.0a01

ITKv4 migration step A-01.