* Remove unnecessary save() on invoice
* Update copyright
* Working on Credit Repository
* Implement credits as a paymentable entity
* Add credit_id to transformer
* fix rules for update payment
* Fix random deleted_at keys in transformers
* Fix for password_protect check
* Fixes for travis
* Additional settings variables at the company and client level
* Implement accessor for client settings
* Currency symbol or code setter
* Implement custom JS number and currency formatter
* Implement VueX state management for client settings
* Move settings logic into its own class
* Working on client settings
* client settings
* Move Client Settings helper into PHP
* Move translation helper into its own class
* Working on Client Settings
* fixes for client settings
* Client setting defaults
* fixes for .env
* Fixes for Travis