add votes tab back to main menu
fix tag list page help
better help text for tags list page
cache tags list used in help page and tags list page. switch the tags presented in the help page to generic tags (instead of bill tags)
better help text for vote detail
fix get_debated_bills to return only bills that have been updated in current knesset
Merge branch 'master' of github.com:hasadna/Open-Knesset