Add missing map, string. Clear out non-working pch.

We have a working pch with the pch.h file.
It wasn't working when I tried to list out the
headers I wanted pre-compiled.

CMakeLists.txt

@@ -38,7 +38,3 @@ TARGET_LINK_LIBRARIES( twproxy ${Boost_LIBRARIES} pthread )
 
 target_precompile_headers(twproxy PRIVATE pch.hpp)
 
-# target_precompile_headers(
-#   twproxy PUBLIC 
-#   ${Boost_INCLUDE/DIR}boost/asio.hpp boost/log/core.hpp boost/log/trivial boost/log/support/date_time.hpp boost/bind.hpp boost/format regex iostream iomapip string map
-# )

dispatchers.h

@@ -1,6 +1,9 @@
 #ifndef DISPATCHERS_H
 #define DISPATCHERS_H
 
+#include <map>
+#include <string>
+
 #include "session_common.h"
 
 /*