Simplified Travis CI testing based on Aaron's work in the old-travis-dev branch (previously known as develop and travis-dev).
Simplified Travis CI testing based on Aaron's work in the old-travis-dev
branch (previously known as develop and travis-dev).

I removed the unit testing and (for simplicity) the codecov coverage.

Debug build run only "make check". Non-debug build run "make test".

Testing gcc on Linux and clang on Mac with all DEBUG=YES/NO and MPI=YES/NO
combinations (a total of 8 builds).

mfem/mfem,kvoronin/mfem-4d-own,mfem/mfem,mfem/mfem,mfem/mfem,gelever/lamfem,mfem/mfem