Merge parser1 and parser2
XML URL becomes an argument and defined constant

This prepares the parser for work with an additional xml database.
Rename process_clubs

Rename process_clubs to process_clubs_council_edinburgh
delete_clubs goes out of it
Rename buildQuery

Rename buildQuery to build_query_council_edinburgh
Rename process_current_club

Rename process_current_club to process_current_club_council_edinburgh
Rename URL_XML_COUNCIL to URL_XML_COUNCIL_EDINBURGH
Fix call to process_current_club_council_edinburgh
Add function for Club Sport Edinburgh

parser:
Add function process_clubs_club_sport_edinburgh.
It is called with URL_XML_CLUB_SPORT_EDINBURGH.
It calls process_current_club_club_sport_edinburgh but that is not made yet.

output_xml:
Change double quotes to single