Merge commit 'd0e1cee1'

moose-core/hsolve/HSolveInterface.cpp

moose-core/python/moose/__init__.py

moose-core/python/moose/moose.py

moose-core/python/moose/moose_test.py

moose-core/python/moose/neuroml/NetworkML.py

moose-core/python/moose/plot_utils.py

moose-core/python/moose/sim_utils.py

moose-core/python/moose/utils.py

moose-core/python/moose/verification_utils.py

moose-core/tests/python/test_hsolve_externalCalcium.py