Moved including boost headers to after the project's headers

CMakeLists.txt

@@ -60,9 +60,6 @@ file(GLOB sources "src/[a-zA-Z]*.cpp")
 file(GLOB_RECURSE public_headers "include/yaml-cpp/[a-zA-Z]*.h")
 file(GLOB private_headers "src/[a-zA-Z]*.h")
 
-find_package(Boost REQUIRED)
-include_directories(${Boost_INCLUDE_DIRS})
-
 if(YAML_CPP_BUILD_CONTRIB)
 	file(GLOB contrib_sources "src/contrib/[a-zA-Z]*.cpp")
 	file(GLOB contrib_public_headers "include/yaml-cpp/contrib/[a-zA-Z]*.h")
@@ -80,8 +77,11 @@ if(VERBOSE)
 	message(STATUS "contrib_private_headers: ${contrib_private_headers}")
 endif()
 
-include_directories(${YAML_CPP_SOURCE_DIR}/include)
 include_directories(${YAML_CPP_SOURCE_DIR}/src)
+include_directories(${YAML_CPP_SOURCE_DIR}/include)
+
+find_package(Boost REQUIRED)
+include_directories(${Boost_INCLUDE_DIRS})
 
 
 ###