extracted FaceMessage into own class
clearer way of constructing FaceMessage and distinguishing replies
added jsoup dependency
Face allows to recognize basic html tags
gives method to convert said tags to a relevant format for the chat server
Slack formatted text taken into account
fix imports + explicitly describe newlines
fix formatted text
parse Nodes recursively, not just tags
unit test for slack formatting
module help can also have formatted descriptions
Help formatting using allowed html tags + fix own help string
fix unused variable
fix unused imports
externalized help serialization into HelpUtils