* Update OpenAPI for TemplateController
* Add bulk invoice download functionality
* Working on Client portal
* Move selective queries to cache instead of DB
* Fix formatting in Payments table, implement cache for languages, resolve route model for clientcontacts and users
* 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