Other corrections
- Syntax bug
- Last French words left
- Input file through input_dump (bz2 support)

Change-Id: Icaf8d3ae4269eb928f253f4a97fa8bc4f4e75cad
+parse_dump subroutine, iterator to parse any dump
- This parser can be used as an iterator while (my $line = parse_dump($fh))
- the output is an article hash with title, content, namespace and redirect data
- two additional subroutines to guess redirection and extract ns name

Change-Id: Ia4e8fdb155567044e46579ff7d390ab5f3f800de