* 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
* Working on GMail Driver
* working on custom Gmail Mail Provider
* Add total_taxes to quotes and recurring_*
* Implementation of new mailserviceprovider to allow native use of Mail:: with gmail email sending
* fix for blank client settings
* Force all custom fields to strings
* Fixes for bulk actions
* Fixes for company POST route..
* Change text from Bitcoin to CRYPTO
* Implement default_gateway_type_id in transformer
* use scopes for company filtering
* Implement validation for portal_domain
* Add Google API client
* Add activities to company transformer