Add possibility in MondriaanOpt to convert result to Mondriaan-like output files

mondriaan.mk

src/MondriaanOpt/MondriaanOpt.c

src/MondriaanOpt/errors.c

src/MondriaanOpt/matrix.c

src/MondriaanOpt/options.c

src/MondriaanOpt/options.h

src/MondriaanOpt/solution.c

src/MondriaanOpt/solution.h

src/SparseMatrix.c

src/SparseMatrix.h

tests/Makefile

tests/runtest

tests/test_MMReadSparseMatrixFromIndexAndValueMatrixFiles.c

.../test_MMReadSparseMatrixFromIndexAndValueMatrixFilesA.inp

.../test_MMReadSparseMatrixFromIndexAndValueMatrixFilesI.inp

tests/test_MMSortNonzeros.c

tests/test_MMSortNonzeros1.inp

tests/test_MMSortNonzeros2.inp

tests/test_MMValuesToProcessorIndices.c

tests/test_MMValuesToProcessorIndices.inp