reset Clp termination code to "time limit reached" when seeing "iteration limit reached" in dual simplex resolve #77

Job	Run time
Run tests (ubuntu-20.04, true, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libnau...	5m 0s
Run tests (ubuntu-20.04, false, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libna...	4m 46s
Run tests (ubuntu-22.04, true, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libnau...	5m 35s
Run tests (ubuntu-22.04, false, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libna...	5m 32s
Run tests (macos-12, false, brew install metis bash, CC=clang CXX=clang++ OSX=12)	7m 12s
Run tests (macos-12, false, brew install metis bash, CC=gcc-11 CXX=g++-11 OSX=12)	13m 52s
Run tests (macos-12, false, brew install metis bash, CC=gcc-12 CXX=g++-12 OSX=12)	9m 58s
	51m 55s

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