Wikistats/Add private wiki

# Examples 

insert into mediawikis (name,statsurl) values ("FoobarWiki","http://foobar.com/wiki/index.php/Special:Statistics?action=raw");
insert into mediawikis (name,statsurl) values ("S23-Wiki","http://s23.org/w/index.php?title=Special:Statistics&action=raw");
insert into mediawikis (name,statsurl) values ("OpenWetWare","http://openwetware.org/wiki/Special:Statistics?action=raw");


# Real entries from here (only confirmed "raw" mediawiki >1.5 stats pages)