* Add phone call authentication method
* Remove dynamic mem allocation from error handler
* Add more error handling code
* Move error handling to different file
* Remove Socket IO dependency
* cleanup in websocket code
* Add rapidjson as cmake dependency
* Added Dockerfiles as primary build system for packages
* Changed policy in CMakeList to work with lower version of CMake
* Fix opensuse builds
* Link filesystem library in gcc 8.5 or older