message: chore(Docker): Use upstream ITK repository
  Patches have been merged upstream.
diff: @@ -3,11 +3,11 @@ MAINTAINER Insight Software Consortium <community@itk.org>
  WORKDIR /
  -# 2018-01-16
  -ENV ITK_GIT_TAG 315857a026a44ff658d4a21c19c3641c8955c2fa
  +# 2018-01-22
  +ENV ITK_GIT_TAG 5788f5fe34f4825297880684eae12b6e65b70203
  ENV CFLAGS="-Wno-warn-absolute-paths --memory-init-file 0 -s DISABLE_EXCEPTION_CATCHING=0 -s ALLOW_MEMORY_GROWTH=1 -Wno-almost-asm"
  ENV CXXFLAGS="${CFLAGS} -std=c++11"
  -RUN git clone https://github.com/thewtex/ITK.git && \
  +RUN git clone https://github.com/InsightSoftwareConsortium/ITK.git && \
  cd ITK && \
  git checkout ${ITK_GIT_TAG} && \
  cd ../ && \
  