Stable xbrowser run of base/framework & describe/marc_editor specs

- bin/regress
-- Remove logfile refs
-- Re-order browsers
-- Restore $stderr/$stdout logging
- lib/ole-regress.rb
-- Require Net-HTTP-Persistent gem for faster, more stable Sauce
sessions
- ole-regress.gemspec
-- Add net-http-persistent dependency
- lib/module/sauce
-- Turn off 'record-screenshots' option
-- Add http_client option for net-http-persistent to browser config