[#70017272] Admin Subscription Viewer

* Renames random_subscriptions key to subscriptions in locales/en.yml
* Adds admin translations for subscriptions
[#70017272] Admin Subscriptions Viewer

* Adds admin subscriptions resources route
* Adds index for admin/subscriptions
* Adds Subscriptions tab to admin shared menu
Remove duplicated require spec_helper
Merge branch 'master' into feature/admin-subscriptions
[#70017272] Admin Subscriptions Management

* Adds missing test for admin subscription controller
* Adds feature for admin subscriptions
[#70017272] Admin subscriptions manager

* Adds state to spree subscriptions
* Adds state machin to spree subscriptions
* Shows spree subscription state on admin index
* Shows spree subscription state on user account page
[#70017272] Admin subscriptions manager

* Adds cancel ability to admins
* Sorts en translations
Fix hound alerts
Fix typo on admin subscriptions controller spec
Merge pull request #3 from stevenbarragan/feature/admin-subscriptions

Feature/admin subscriptions