Added Componentes WithoutSquad and CanChangeSquad
Added ChangeSquadSystem and DropDownListSystem
added missing `var`
moved node into nodes folder
use dropDownList instead of button
activated ChangeSquadSystem and DropDownListSystem
renamed ChangeSquadNode -> CanChangeSquadNode
drop-down list is now displayed near the soldier it affects
added droop down option etc..
added drop-down list reference to drop down option
drop-down options are now generated (though not displayed...)
drop-down options now emit whatever they have to emit when selected
squad assigning now worxx 8]
Feature/assign to squad

Conflicts:
	src/js/game/LD30.js