ApplicationController: set locale from URL parameter (howto: http://guides.rubyonrails.org/i18n.html)
Code cosmetics.
I18n: added first batch of English strings.
ApplicationController specs: added default_url_options.
Views: I18nified strings, added English translations.
ApplicationHelper: added other_locale.
Merged master into en
Pages#landing: added language toggler; more English strings.
Merge pull request #52 from stephanpavlovic/en

add English locale (#28)