Get rid of all the using namespace and using boost:: declarations in Thrift header files

Summary: To remove upstream dependencies. Still keeping some specific using directives around.


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665047 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/cpp/src/transport/TServerSocket.h b/lib/cpp/src/transport/TServerSocket.h
index b482e02..969c00b 100644
--- a/lib/cpp/src/transport/TServerSocket.h
+++ b/lib/cpp/src/transport/TServerSocket.h
@@ -38,7 +38,7 @@
   }
 
  protected:
-  shared_ptr<TTransport> acceptImpl();
+  boost::shared_ptr<TTransport> acceptImpl();
 
  private:
   int port_;