message: fixing bug in devel ci dockerfile
diff: from xacc/ubuntu:18.04
  -run git clone --recursive -b devel https://github.com/eclipse/xacc && cd xacc && mkdir build && cd build \
  +run git clone --recursive -b xacc-devel https://github.com/eclipse/xacc && cd xacc && mkdir build && cd build \
  && cmake .. -DPYTHON_INCLUDE_DIR=/usr/include/python3.6m -DXACC_BUILD_TESTS=TRUE \
  && make -j$(nproc) install && ctest --output-on-failure
  