* 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
* 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
* Fix for CORs error where file download were being prevented by headers
* Fixes for CORs and File downloads
* give contextual error messages for invalid route actions
* Clean up LoginController for OAuth Testing
* Quote Actions
* Invoice and Quote Actions
* Fix for client currency
* Set default templates in Company Settings
* Working on Company User creation
* Working on company_user relationship
* Fixes for company_user relation
* Clean up
* Fixes for client portal localization
* Replace Invoice Ninja Logo with user defined logo and website URL in client portal
* Minor Fixes
* Refactor for invitations on invoices
* Fixes for settings
* Fixes for tests
* add additional fields for company settings
* fixes for travis
* update company settings schema
* Disable client portal
* Client Portal middleware
* Working on client portal
* hide portal
* Implement notification channgels for User and ClientContact models
* Push notifications onto queue
* Force authentication if client portal is password protected
