message: Cleaning up the README.md
  Cleaning up the BINARYEN how-to
  Update Dockerfile to compile successfully
diff: @@ -41,9 +41,10 @@ cd ~
  wget -c 'https://sourceforge.net/projects/boost/files/boost/1.64.0/boost_1_64_0.tar.bz2/download' -O boost_1.64.0.tar.bz2
  tar xjf boost_1.64.0.tar.bz2
  cd boost_1_64_0/
  +echo "export BOOST_ROOT=$HOME/opt/boost_1_64_0" >> ~/.bash_profile
  +source ~/.bash_profile
  ./bootstrap.sh "--prefix=$BOOST_ROOT"
  ./b2 install
  -echo "export BOOST_ROOT=$HOME/opt/boost_1_64_0" >> ~/.bash_profile
  source ~/.bash_profile
  ```
  