adds i18n support to routes and application controller; default_locale is set to :en
fixes locales issue
adds rails-settings cached and rails-i18n-debug gems
adds a new user settings system + migration + rake task/worker updates
removes routes locale constrain and fixes some bugs
added user setting to set_locale
Merge branch master into i18n
finishes i18n set_locale with user settings
updates locale files
styles the preferences in user profile
cleanup of profile layout
set user language on login to override session
sets session[:locale] = user.locale after login
Merge pull request #1 from foodcoop-adam/extended-i18n

cleanup of profile layout + set session on login
update translations and localeapp roundtrip
german i18n + mini fix
fixes User#receive_email?
Merge remote-tracking branch 'fsmanuel/master' into master.

Updated migration date to today.

Conflicts:
	db/schema.rb
update translations and localeapp roundtrip
Merge branch 'master' into updated-gems

Conflicts:
	Gemfile.lock