Tweak the script 'sample-runs.sh' to avoid early termination when timing is enabled and a sample run line is ill formed.
Tweak the script 'sample-runs.sh' to avoid early termination
when timing is enabled and a sample run line is ill formed.

Fix the sample runs in 'miniapps/solvers/block-solvers.cpp'.

Conflicts:
	miniapps/solvers/block-solvers.cpp

mfem/mfem,mfem/mfem,mfem/mfem,mfem/mfem,mfem/mfem