Merge branch 'master' into databranch

CMakeLists.txt

FWI/conf/FWIAAO2DReconstructionC2.conf

FWI/conf/marmousi2_acoustic_test_inversion.conf

FWI/src/FWINonlinearSolvers.cpp

FWI/src/FWIRandomMains.cpp

FWI/src/ForwardModels/FWIForwardModelDGTS.cpp

FWI/src/ForwardModels/FWIForwardModelDGTSVAAllAtOnce.cpp

FWI/src/ForwardModels/FWIForwardModelDGTSVAAllAtOnce.hpp

FWI/tests/FWITestReduced2D.cpp

FWI/tests/FWITestReducedPML2D.cpp

gitpushopde.py

pdepipeline.py