generate_projects.sh and also add config.h header so that gcc4.4 can recognize nullptr
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 27b2135..6f3c603 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1203,6 +1203,7 @@
   src/cpp/server/server_context.cc
   src/cpp/server/server_credentials.cc
   src/cpp/server/server_posix.cc
+  src/cpp/thread_manager/thread_manager.cc
   src/cpp/util/byte_buffer_cc.cc
   src/cpp/util/slice_cc.cc
   src/cpp/util/status.cc