THRIFT-3219 Provide a C++ tutorial on server-side IP logging and
per-connection state
Client: C++
Patch: Ben Craig <bencraig@apache.org>

This closes #538
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4db182e..63e003e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,6 +73,7 @@
 
 if(BUILD_CPP)
     add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/lib/cpp)
+    add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/tutorial/cpp)
     if(BUILD_TESTING)
         if(WITH_LIBEVENT AND WITH_ZLIB AND WITH_OPENSSL)
             add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/test/cpp)