added GPU bilateral filter + tests

added GPU non local means brute force filter + tests

cmake/OpenCVCompilerOptions.cmake

@@ -282,9 +282,4 @@ if(MSVC)
   if(NOT ENABLE_NOISY_WARNINGS)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4251") #class 'std::XXX' needs to have dll-interface to be used by clients of YYY
   endif()
-endif()
-
-
-if (MSVC AND ENABLE_MULTI_PROCESSOR_COMPILATION)
-   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
-endif()
+endif()