COMP: Prepare for C++11 features in ITKv5
COMP: Prepare for C++11 features in ITKv5

ITKv5 is going to require C++11 so require newer
versions of cmake features.

stnava/ANTs,stnava/ANTs,stnava/ANTs,stnava/ANTs,stnava/ANTs,stnava/ANTs,stnava/ANTs