Move LV fetching to local PHP script.

Learn from Cross-domain fiasco with Google Spreadsheets and move the cross-domain requests into PHP.
Now the in-page AJAX calls on a local PHP script, which in turn fetches sample data from Leaguevine.
Update submodules with HTTPS protocols.
Fix LV.php to handle multiple query params.
Debuging the 'tournament_teams' query.
Re-implement the team list construction.