* Working on subscriptions
* Implement return type in models
* Subscription implementation
* Improvements to handling importation of large accountS
* Loggin imports
* Activate collector
* Improve memory usage of import script
* Appen Tags into emails - fix companygatewaytransformer
* Performance improvements for seeding
* Differentiating between system notification and user notifications
* Remove hard coded webhook url
* Working on system and user notifications
* notifications
* Set the currency on client if blank
* Refactor for inserting invoice defaults
* Refactor Default Invoice/Quote/Credit objects
* working on credits
* Implement mark_sent for quotes and credits
* Working on importing company gateways
* Fix for companyuser settings object
* Migrate client_gateway_tokens
* Working on Notificaitons
* Working on notifications
* Failsafe for user-company
* unlink files
* Set DB for jobs
* Always have a fallback for company_id
* Fixes for user model
* Formatting for MultiDB
* Working on Company Ledger Tests
* Fixes for contact request
* Set Invitations as a default include for invoices
* 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