Merge branch 'master' into multi-config-support

# Conflicts:
#	cmake/Modules/Packages/MSCG.cmake
#	examples/plugins/CMakeLists.txt

unittest/cplusplus/test_error_class.cpp

@@ -128,7 +128,7 @@ int main(int argc, char **argv)
     MPI_Init(&argc, &argv);
     ::testing::InitGoogleMock(&argc, argv);
 
-    if (Info::get_mpi_vendor() == "Open MPI" && !LAMMPS_NS::Info::has_exceptions())
+    if (platform::mpi_vendor() == "Open MPI" && !LAMMPS_NS::Info::has_exceptions())
         std::cout << "Warning: using OpenMPI without exceptions. "
                      "Death tests will be skipped\n";
 

unittest/cplusplus/test_lammps_class.cpp

@@ -325,7 +325,7 @@ TEST_F(LAMMPS_kokkos, InitMembers)
 TEST(LAMMPS_init, OpenMP)
 {
     if (!LAMMPS::is_installed_pkg("OPENMP")) GTEST_SKIP();
-    if (Info::get_openmp_info() == "OpenMP not enabled") GTEST_SKIP();
+    if (platform::openmp_standard() == "OpenMP not enabled") GTEST_SKIP();
 
     FILE *fp = fopen("in.lammps_empty", "w");
     fputs("\n", fp);