Actually put the preferred uri to use.

Fixes #76
Bumping Versionfile for 2-0-stable
Typo fix for rake test_app in README

From #81
Disable the Savon logger so USA Epay SOAP packets (including CC numbers) are not logged

Fixes #80
Fixes #81
Correct version in gemspec
Implement Auth/Caputre for Stripe; full active_merchant implementation here: https://github.com/Shopify/active_merchant/blob/master/lib/active_merchant/billing/gateways/stripe.rb

Fixes #83
Removing erroneous file
Add more to gitignore.

Update to Spree i18n namespace.

Also add missing translation keys, these do not exists in spree_i18n
english version.

Add Swedish locale.

Small improvments to gemspec.

Also apply the Spree 2.0 version style that actual do not require
additional current spree-2-0-stable branch.

Standard additions to Travis config.

Updated readme with build status and contribution info etc.

[Fixes #86]