STABLE matching cost

lib/libstereo/CMakeLists.txt

lib/libstereo/include/stereo.hpp

lib/libstereo/middlebury/main.cpp

lib/libstereo/src/algorithms/censussgm.cu

lib/libstereo/src/algorithms/stablesgm.cu

lib/libstereo/src/algorithms/stereosgm.hpp

lib/libstereo/src/algorithms/tcensussgm.cu

lib/libstereo/src/costs/census.hpp

lib/libstereo/src/costs/stable.cu

lib/libstereo/src/costs/stable.hpp

lib/libstereo/src/costs/tcensus.hpp

lib/libstereo/src/stereo_censussgm.cu

lib/libstereo/src/stereo_tcensussgm.cu