cmake-format + miscellaneous tweaks (#13)

* cmake-format + miscellaneous tweaks
* Formatted cmake in examples and tests
* Updated linux-ci.yml artifacts naming
* Updated clang-format
* Fixed submodule branches

examples/transpose/transpose.cpp

@@ -161,8 +161,7 @@ main(int argc, char** argv)
     MPI_Init(&argc, &argv);
     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
 #endif
-    if(rank == 0)
-        run(argc, argv);
+    if(rank == 0) run(argc, argv);
 #if defined(USE_MPI)
     MPI_Barrier(MPI_COMM_WORLD);
     MPI_Finalize();