Reverting to rapidjson for attempt record serialization

libdaggy/src/Serialization.cpp

@@ -326,6 +326,7 @@ namespace daggy {
     return output;
   }
 
+  /*
   std::string attemptRecordToJSON(const AttemptRecord &record)
   {
     std::stringstream ss;
@@ -341,8 +342,8 @@ namespace daggy {
 
     return ss.str();
   }
+  */
 
-  /*
   std::string attemptRecordToJSON(const AttemptRecord &record) {
     rj::Document doc;
     doc.SetObject();
@@ -377,7 +378,6 @@ namespace daggy {
                   alloc);
     return dumpJSON(doc);
   }
-  */
 
   AttemptRecord attemptRecordFromJSON(const std::string &json)
   {