Updating config files to use the more modern wrappers

[eirikurj]

Purpose

Updates the compilers wrappers used. Now the more modern fortran mpi compiler wrapper mpifort used instead of the mpif90, see here for GNU and similarly for Intel mpiifort, see here

Type of change

What types of change is it? Select the appropriate type(s) that describe this PR

• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (non-backwards-compatible fix or feature)
• [ ] Code style update (formatting, renaming)
• [ ] Refactoring (no functional changes, no API changes)
• [ ] Documentation update
• [x] Maintenance update
• [ ] Other (please describe)

Testing

Tested on c7-intel-impi-latest and u20-gcc-ompi-latest

Checklist

Put an x in the boxes that apply.

• [ ] I have run flake8 and black to make sure the code adheres to PEP-8 and is consistently formatted
• [ ] I have run unit and regression tests which pass locally with my changes
• [ ] I have added new tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation

[codecov[bot]]

Codecov Report

Merging #58 (499749a) into master (834f8ae) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #58   +/-   ##
=======================================
  Coverage   46.13%   46.13%           
=======================================
  Files           6        6           
  Lines         776      776           
=======================================
  Hits          358      358           
  Misses        418      418           

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[eirikurj]

There should be no issues with TACC as the mpifort and mpif90 are the same wrapper. The build and tests also pass on TACC image.