Add autocommit to alignment loading

- Now importing quite a lot.
- Making commit manual for efficiency.

scripts/json2db.pl

@@ -173,6 +173,8 @@ sub process_motions {
 
 sub process_alignments {
     my ($alignments, $dreamid) = @_;
+    # Set AutoCommit off
+    $dbh->{AutoCommit} = 0;
     foreach (@$alignments) {
         $align_count++;
         say $align_count if $verbose && $align_count % 100 == 0;
@@ -201,4 +203,7 @@ sub process_alignments {
         }
 
     }
+    $dbh->commit();
+    # Set AutoCommit on
+    $dbh->{AutoCommit} = 1;
 }