Put mhwd executable into bin folder

CMakeLists.txt

 cmake_minimum_required (VERSION 2.6) 
 project(mhwd)
 
-SET(CMAKE_INSTALL_PREFIX "/usr/")
-SET(CMAKE_C_COMPILER clang)
-SET(CMAKE_CXX_COMPILER clang++)
+set(EXECUTABLE_OUTPUT_PATH ${mhwd_SOURCE_DIR}/bin)
+
+set(CMAKE_INSTALL_PREFIX "/usr/")
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_CXX_COMPILER clang++)
 
 add_definitions(-std=c++11 -O0 -g -Wall -Wextra -Wunreachable-code -Werror)