* 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
* Refactor company properties to be presented from settings object instead of company properties
* Working on Email Tests
* Working on emails
* Working on email templats
* Include text version of email
* Refactor Email template builder into trait'
* Fix for custom_value4
* Refactor payment_date -> date && payment_type_id -> type_id
* expose paymentables to API
* expose paymentables to API
* Implement a next_send_date field in invoice/quote tables to allow control over reminder scheduling
* Add custom_values to users,documents and company_gateways tables
* Minor fixes for OpenAPI docs for clients
* Add fields to company transformer
* Padding email templates, system level and custom
* Minor fixes for email template subject
* Working on Email Templates
* Clean up User model, remove redundant permissions methods
* Implement Locale for API
* Implement Locale middleware for client routes
* 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
* Refactor pivot table accessors
* Add select2 for client - country selector
* Fixes for client contact update
* implement ctrans() function across application
* Increase custom fields to 4 across the application
* Refactor: remove repos calling other repos, implement 4 custom values across application
* include querying the custom values in the client list
* Fix null custom value labels
* Scaffold for client - show view
* Working on Client Show