added dutch translation file

Fixes #32
Remove products_controller_decorator

This is basically reimplementing the same functionality that the real ProductsController has.

Fixes #33
Fix comments in UserPasswordsController
Don't allow blank passwords on password reset screen

Fixes spree/spree#2190
Click checkout button, not link, inside checkout spec
Remove testing_support/env
added shipment states and corrected typo

Fixes #34
Added German translation

Fixes #35
Remove 'cd .' from end of nl translation
Support Capybara 1.1.3 only for now
Devise - email case-insensitive
Ignore .sass-cache
Capybara already depend on selenium-webdriver by default
Add Travis Status Image into README [ci skip]
Only test with Ruby 1.9.3
Test 1-2-stable in Travis
Add CodeClimate badge [ci skip]
Bump devise to 2.1.2
Remove devise-encryptable require [ci skip]
Bump database_cleaner to 0.9.1