ENH: Stamp NRRD files with DWIConvert/BRAINSTools info in comments
Merge pull request #2 from Chaircrusher/DWIConvert_Add_Comment_Lines

ENH: Stamp NRRD files with DWIConvert/BRAINSTools info in comments
ENH: Use const correct version of itkGetModifiableObjectMacro

ITKv4 now allows more precise use of Get functions with better
const correctness.
ENH: Update External packages for ANTs and ITK

The ITK version that supports const-correctness.
NIPYPE is updated to latest version.
ANTS to match ITK
SimpleITK recent improvements.
COMP: DWIConvert syntax error.

The DWIConvert had a syntax error in printing the header
information.
COMP: Address issues with builds from within slicer.
Merge pull request #8 from Chaircrusher/Slicer_Fixes

COMP: Address issues with builds from within slicer.
COMP: get double-conversion with warnings fixed
Merge pull request #9 from Chaircrusher/Slicer_Fixes

COMP: get double-conversion with warnings fixed
COMP: Add -fPIC for DoubleConversion
Merge pull request #11 from Chaircrusher/UpdateDoubleConversion

COMP: Add -fPIC for DoubleConversion
COMP: refine test & inclusion of ExternalData module
Merge pull request #12 from Chaircrusher/RefineExternalData

COMP: refine test & inclusion of ExternalData module
ENH: Ensure that cropped images have even sized dimensions.
ENH: Update to ITK version of DCMTK.
ENH: Update ITK to version that contains internal version of DoubleConversion.
ENH: DoubleConvert funtionality from ITKv4

After working with Bill Lorensen, the DoubleConvert
features are added to ITKv4, so using that version of
DoubleConvert in order to minimize the dependancy chain
necessary to provide that functionality.
COMP: Add JPEG & TIFF BUILDS, pass to DCMTK build
Merge pull request #13 from Chaircrusher/AddTiffToDCMTK

COMP: Add JPEG & TIFF BUILDS, pass to DCMTK build
ENH: Explicitly disable-lzma for TIFF building.