Version 2.1.4 : Improvements and bug fixes

Gameplay/AI : Visual and gameplay improvements to smashes. Tutorial lesson 401 messages have been updated to match the changes in gameplay.
AI : Improvements in regard to shotmaking.
Lobby : Added display of matches completed/matches joined ratio.
Tutorial : Fixes and improvements.
Interface : Obsolete messages in translations are now automatically replaced by the newer english version.
Bug fix : Fixed reported gameplay crashes.