Added binary sparse matrix unit tests for Ellpack and SlicedEllpack.

src/UnitTests/Matrices/BinarySparseMatrixTest_CSR.cpp

src/UnitTests/Matrices/BinarySparseMatrixTest_CSR.cu

src/UnitTests/Matrices/BinarySparseMatrixTest_CSR.h

src/UnitTests/Matrices/BinarySparseMatrixTest_Ellpack.cpp

src/UnitTests/Matrices/BinarySparseMatrixTest_Ellpack.cu

src/UnitTests/Matrices/BinarySparseMatrixTest_Ellpack.h

...itTests/Matrices/BinarySparseMatrixTest_SlicedEllpack.cpp

...nitTests/Matrices/BinarySparseMatrixTest_SlicedEllpack.cu

...UnitTests/Matrices/BinarySparseMatrixTest_SlicedEllpack.h

src/UnitTests/Matrices/CMakeLists.txt

src/UnitTests/Matrices/SparseMatrixTest_CSR.cu

src/UnitTests/Matrices/SparseMatrixTest_CSR.h

src/UnitTests/Matrices/SparseMatrixTest_Ellpack.cu

src/UnitTests/Matrices/SparseMatrixTest_Ellpack.h

src/UnitTests/Matrices/SparseMatrixTest_SlicedEllpack.cu