// parse the notation base freq values and names from the conf file and save them into the notation vector.
bool parseConfig(vector<Note>& notation)
{
   ifstream config(CONF.c_str());
   if (!config) { error("configOpen"); return false; }
   
   string line = "";
   int i = 0;
   while (getline(config, line))
   {
      if (line != "" && line.at(0) != '#' ) // we ignore empty lines and lines that begin with #
      {
         int cutPoint = getIndex(line, ' ');
         int tmpFreq = static_cast< int >(line.substr(cutPoint+1, line.size()-cutPoint-1)); // Note.baseFreq
         Note tmp = {
            line.substr(0, cutPoint-1), //Note.name
            tmpFreq,
            0, // Note.length, not needed with notation vector
            1 // Note.octave, base value  
         };
         notation.push_back(tmp);
      }
      ++i;
   }
   config.close();
   return true;
}