Add support for Rails 3 variables syntax and a lot of new locales.

Filters for several types

Set I18n to thread, common helpers and Thai locale

Fixes for Rails

Fixes for Ruby 1.8.6

Passive filters

Rails I18n compatibility, a lot of rewrites and changes in API

Print untranslated path by filters and Italian locale

Bug fix and a lot of locales.

Translated mixin, filters and new time formatters.