Install libgraphqlparser + ruby gem graphql-libgraphqlparser on Travis without sudo

ruby-install-graphqlparser-no-sudo-travis.bash

# Install libgraphql parser
if [ ! -d $HOME/gql/usr/local/lib ]
then
  wget https://github.com/graphql/libgraphqlparser/archive/v0.7.0.tar.gz
  tar -xzvf v0.7.0.tar.gz
  cd libgraphqlparser-0.7.0/ && cmake . && make && make DESTDIR=$HOME/gql install && cd $TRAVIS_BUILD_DIR
else
  echo "libgraphqlparser install detected"
fi

# Note on < 1.3.0 replace "--with-graphqlparser-X" with "--with-graphql-X"
bundle config build.graphql-libgraphqlparser \
  --with-graphqlparser-lib=$HOME/gql/usr/local/lib \
  --with-graphqlparser-include=$HOME/gql/usr/local/include/graphqlparser