BUG: Enable MRC IO in UseITK whenever the ITKReview module is enabled.

The MRC ImageIO should be registered to the ImageIO factory list in UseITK not
only when ITK_USE_REVIEW was ON, but also whenever Module_ITKReview was ON.

Change-Id: I1d44f6bf6a5ebe195964ca26af438749a1636b56
Merge branch 'MRC-UseITK' into release

Change-Id: I37b5b7765ffc1fbccd2bdbf8434da759db78617b
Merge branch 'release'

Conflicts:
	CMake/UseITK.cmake

Change-Id: I101a7de852565ff8f7f4865d8a9637c5044fe770
COMP: Fix NIFTI CMake variable separation warning.

For:

Syntax Warning in cmake code at

    /home/kevin/kitware/ITK/Modules/ThirdParty/NIFTI/src/nifti/CMakeLists.txt:103:38

Argument not separated from preceding token by whitespace.

Change-Id: If87b17603a808caaff4fb307bf797df007bb0d50
Merge branch 'release'

Change-Id: I027af84be170417eddce296a27ec5d87e8236d38