message: Reorder compilers and remove clang-5 in hopes we dont run out of space
diff: @@ -18,13 +18,6 @@ strategy:
  COMPILER: 'g++'
  TEST_TARGET: 'linux_gcc6'
  HOST_CONFIG: 'docker-linux-ubuntu16.04-x86_64-gcc@6.1.0'
  - linux_gcc8:
  - VM_ImageName: 'ubuntu-16.04'
  - Compiler_ImageName: 'axom/tpls:gcc-8'
  - CMAKE_EXTRA_FLAGS: ''
  - COMPILER: 'g++'
  - TEST_TARGET: 'linux_gcc8'
  - HOST_CONFIG: 'docker-linux-ubuntu16.04-x86_64-gcc@8.1.0'
  linux_gcc7:
  VM_ImageName: 'ubuntu-16.04'
  Compiler_ImageName: 'axom/tpls:gcc-7'
  @@ -32,6 +25,13 @@ strategy:
  COMPILER: 'g++'
  TEST_TARGET: 'linux_gcc7'
  HOST_CONFIG: 'docker-linux-ubuntu16.04-x86_64-gcc@7.3.0'
  + linux_gcc8:
  + VM_ImageName: 'ubuntu-16.04'
  + Compiler_ImageName: 'axom/tpls:gcc-8'
  + CMAKE_EXTRA_FLAGS: ''
  + COMPILER: 'g++'
  + TEST_TARGET: 'linux_gcc8'
  + HOST_CONFIG: 'docker-linux-ubuntu16.04-x86_64-gcc@8.1.0'
  linux_clang4:
  VM_ImageName: 'ubuntu-16.04'
  Compiler_ImageName: 'axom/tpls:clang-4'
  @@ -39,13 +39,6 @@ strategy:
  COMPILER: 'clang++'
  TEST_TARGET: 'linux_clang4'
  HOST_CONFIG: 'docker-linux-ubuntu16.04-x86_64-clang@4.0.0'
  - linux_clang5:
  - VM_ImageName: 'ubuntu-16.04'
  - Compiler_ImageName: 'axom/tpls:clang-5'
  - CMAKE_EXTRA_FLAGS: ''
  - COMPILER: 'clang++'
  - TEST_TARGET: 'linux_clang5'
  - HOST_CONFIG: 'docker-linux-ubuntu16.04-x86_64-clang@5.0.0'
  linux_clang6:
  VM_ImageName: 'ubuntu-16.04'
  Compiler_ImageName: 'axom/tpls:clang-6'
  