Add missing translation keys that were previously available in core
Order orders by date.

Fixes #75
Fix session variable name for redirect_back_or_default

Fixes #79
Set user_mailer to use Spree::BaseMailer to mimic OrderMailer and ShipmentMailer

Set mail :from to from_address method from the base mailer, so that it will use the email in the current MailMethod

Fixes #77
Use success messages in admin/users_controller
Fix issue where deleting a user would show a 500 error in the JS console

Fixes #74
Bump devise-encryptable to version that limits devise versions to stable

Fixes #80
Switch to spree namespace for translations
Fix request specs, failings down to 1

Add en.yml file with devise namespace entries. It feels odd to have
the devise namespace on spree core locale file since users can opt to
use other auth strategies or even have an already devise auth model.
Keeping those entries on spree core may confuse / override users
existing app devise locale entries

Fixes #85
Add travis config

This is useful for those who want to fork this project and be able to run the
tests.
Kick Spree version up to 2.1.0.beta
Use correct path_prefix so that URLs are correct
Fix a compatibility issue with form_for as provided by other helper replacement gems.

Fixes #100
Add admin user tab translation

Related to spree/spree#3133
Use flash[:success], not flash.success

Fixes spree/spree#3166
Bumping Versionfile for 2-0-stable
Versionfile clean up
Bump gem version
Speeling [Fixes #90]
use Spree.t on order.state [Fixes #96]