fix style
add Tool class & first tool -- ToolMover thich moves the map
tool bind/unbind
renamed files
ToolIntersectionMover
ToolIntersectionBuilder
local versions of libs
cleanup
ToolRoadBuilder
ToolHighlighter
add settings
cleanup
refactoring: require function usage
changed project structure
calculating number of road lanes based on the intersection size
change runtime runner, add start/stop button
update TODO
cleanup
change lane to make turn from correct one
rename orientation -> direction