Add namespace around all files

src/server/http/reply.cpp

@@ -2,6 +2,10 @@
 
 #include <string>
 
+namespace osrm
+{
+namespace server
+{
 namespace http
 {
 
@@ -101,3 +105,5 @@ boost::asio::const_buffer reply::status_to_buffer(const reply::status_type statu
 
 reply::reply() : status(ok) {}
 }
+}
+}