* 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
* Remove global constants
* Fixes for removing the global constants file
* Working on TDD for emails
* TDD for emails
* implement additional template variables
* Add support for Multi-Master replication with MySQL
* Implement client/group/company level counters clientCounter, groupCounter and counter
* Implement functionalityfor customising the timing of invoice_number creation
* Add Jobs
* adjustments
* clean line items at the request layer
* Clean line items at the request layer
* minor formatting for notification
* Schema Fixes
* schema changes, cast country_id to stirng
* Fixes for tests
* force line item ids to string
* Map company gateway fees and limits
* Schema changes
* Remove id from invoice item stdClass
* Remove settings object from invoice table
* 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
