message: build(Docker): Update ITK tag to v5.1.0
diff: @@ -4,8 +4,8 @@ MAINTAINER Insight Software Consortium <community@itk.org>
  WORKDIR /
  -# 2020-03-25 master branch
  -ENV ITK_GIT_TAG 4b48c9025f66d179d7b134999e2398f5924093b4
  +# 2020-04-27 release branch
  +ENV ITK_GIT_TAG v5.1.0
  ENV CFLAGS="-Wno-warn-absolute-paths --memory-init-file 0 -s WASM=0 -lnodefs.js -Wno-almost-asm "
  ENV CXXFLAGS="${CFLAGS} -std=c++14"
  RUN git clone https://github.com/InsightSoftwareConsortium/ITK.git && \
  