! adapt styles to bootstrap 3.2.0
! add margin 0 for navbar again
! update gems, except capybara
+ use .simplecov
! cleanup, formatting
! allow symbols and arrays as navigation keys
! make pawns visible for admin user
! move map javascript to show view
+ add Game.ImageFigure
! fix render_pawn with figure_data
! refactor render_pawn
! rename and refactor game thing
! refactor split image presenter and dragable presenter
! use persisted? instead of !new_record?
! move filter_value method to world
! update simulator