[ENH] [Windows] win_VS_build_x64_release.bat script rewritten to perform

an out-of-source build into the 'build' folder (see issue #20).

build_scripts/windows/win_VS_build_x64_release.bat

@@ -16,11 +16,11 @@ rem call VsDevCmd.bat
 
 	set MAKEFILE_GENERATOR="Visual Studio 15 2017 Win64"
     
-	cmake -G "Visual Studio 15 2017 Win64" -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_COMPILER=%CXX_COMPILER% -DCMAKE_C_COMPILER=%C_COMPILER% -DBOOST_ROOT=%BOOST_ROOT% -DBOOST_LIBRARYDIR=%BOOST_LIBRARYDIR% -DBOOST_INCLUDEDIR=%BOOST_INCLUDEDIR% -DBUILD_TESTS=%BUILD_TESTS% -DBUILD_EXAMPLES=%BUILD_EXAMPLES% -DBUILD_LIB=%BUILD_LIB% -DLIB4NEURO_DIR=build\lib -DDEPENDENCIES_LINK_TYPE=%LINK_TYPE% -DLIB4NEURO_INCLUDE_DIR=%LIB4NEURO_INCLUDE_DIR% .
+	cmake -G "Visual Studio 15 2017 Win64" -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_COMPILER=%CXX_COMPILER% -DCMAKE_C_COMPILER=%C_COMPILER% -DBOOST_ROOT=%BOOST_ROOT% -DBOOST_LIBRARYDIR=%BOOST_LIBRARYDIR% -DBOOST_INCLUDEDIR=%BOOST_INCLUDEDIR% -DBUILD_TESTS=%BUILD_TESTS% -DBUILD_EXAMPLES=%BUILD_EXAMPLES% -DBUILD_LIB=%BUILD_LIB% -DLIB4NEURO_DIR=build\lib -DDEPENDENCIES_LINK_TYPE=%LINK_TYPE% -DLIB4NEURO_INCLUDE_DIR=%LIB4NEURO_INCLUDE_DIR% -S . -B build
 	title Building the 'lib4neuro' project for Release [building]
     
     call set_env_n_cores.bat 
     
 if "%BUILD_SOMETHING_LIB%" == "yes" (    
-	cmake --build . -j %N_CORES% --config Release && echo "Build complete."
+	cmake --build build -j %N_CORES% --config Release && echo "Build complete."
 )