BUG: CXX_FLAGS was not propogating fPIC option due to var name error
BUG: IJ article code (itkGeneralizedDistanceTransformImageFilter) invalid
Merge pull request #288 from aylward/DashboardErrors

Dashboard errors
WARN: GeneralizedDistance...unused pragma, shadowed, uninit.
BUG: Preserve default CXX args when adding args
ENH: Explicitly indicate support for boost 1.54
Merge pull request #289 from aylward/DashboardErrors

WARN: GeneralizedDistance...unused pragma, shadowed, uninit.
ENH: Refactored code for FFT filtering
Merge pull request #290 from aylward/FFTTubes

ENH: Refactored code for FFT filtering