Moves noscript into body.
Adds better warning display at the top of the site.
Fixes autocomplete_completion i18n string delimiter.
Generalize css for user-facing warnings.
Restores alphabetic order of i18n ymls.
Introduces top-shelf jQuery plugin.
Restores copyright in top-shelf.css.erb
Unsupported browser detection and warning.
browser warning localization.
Merge remote-tracking branch 'opf/feature/rails3' into feature/ie8-warning

Conflicts:
	app/views/layouts/base.html.erb
Changelog.
Fixes form of address.
Merge pull request #579 from opf/feature/ie8-warning

Feature/ie8 warning