* removed the tags as per comment in PR# 4749
* addressed above comments
* changed fortran compiler.
* added proxy application tags.
* added tags by removing them from description.
* addressed comments
* used join_path instead of path concat.
* removed the tags as per comment in PR# 4749
* addressed above comments
* changed fortran compiler.
* added proxy application tags.
* added tags by removing them from description.
* addressed comments
* used join_path instead of path concat.
* added tags.
* changes to use MPI as depedency.
* removed MPI as variant.
* changed pointer to filtered makenek file.
* flake 8 fix.
