Rename persisted_file#persisted to #is_persisted

… because persisted? conflicts with a new method
Fix RAILS_ROOT references
Refactor persisted_version_exists? to use where and count
Use meta data file
Ignore data directory
Correctly references Rails.root
Use "where" instead of find_all
Sleeps to allow parliament.nz to keep up (mostly)
Add debugger to gemfile
Handle oral_answers being nil
lost assignment to finals
Use nokogiri instead of hpricot
nil check debate
Nokogiri conversion
Encode oral_answer.rb
More encoding: UTF-8 missed the first time due to too many files :/
remove to_latin call
Add update_portfolios task
Adjustments to hansard_parser, mostly around hpricot -> nokogiri
Widen URL on portfolio