[cleanup] the revenge of Mr Proper
[evol] I18n: new helpers to setup gettext domains and deferred translations (and one to inject the correct domain into specific core classes in order to be able to use cyborg-local translations into them (currently only needed for DSL classes))
[licence] updated copyright years §2
[evol] adapted current I18n system for late translation
[fix/evol] work on better Interface/Task/Conversation/… sync and bot stop action in order to avoid races and locks
[evol] cleanup and preliminary work on the Postman (and Needle-ization)
[evol] Librarian API work §1, using DI too
[evol] server API tree reworked using a DSL (reply handling rework is WIP)
[layout] reorganization
[evol] MapMakerClient->TestClient, test with two conversations, and ideas for the future