Merge pull request #1 from Slicer/master

Merge 10/6/14
ENH: Add HeterogeneityCAD
Merge pull request #774 from vnarayan13/master

Add HeterogeneityCAD Module
ENH: Update DTIAtlasBuilder from revision fe47ddefe0ee6ca7817a10682c75dd567617aeef to 3c338fd24021eb43e97852b42ac147dad8614181

https://www.github.com/NIRALUser/DTIAtlasBuilder/compare/fe47ddefe0ee6ca7817a10682c75dd567617aeef%E2%80%A63c338fd24021eb43e97852b42ac147dad8614181