Remove XML file from firedrake_wave_explicit demo
make test now runs pytest
Remove Fluidity test harness
Add test option --short to skip long tests
Mark test_firedrake_extrusion_helmholtz as long
Mark test_firedrake_extrusion_project as long
Add make target shorttest skipping long tests
Export UFL's logging and implement the Parameter class. This replicates the functionality that DOLFIN users have.
Add tests to for the logging and Parameter features