Added F1 score to accuracy statistic

AlexeyAB

2018-03-01 be9ccb7d7f4135a41910e6401fbe0c604f1a4080

 src/writing.c

@@ -9,7 +9,6 @@
void train_writing(char *cfgfile, char *weightfile)
{
    char *backup_directory = "/home/pjreddie/backup/";
    data_seed = time(0);
    srand(time(0));
    float avg_loss = -1;
    char *base = basecfg(cfgfile);