Changed: SearchPicker and derived no longer setVisible on construct
Updated controllers (except SquadLogic) to use setVisible on pickers
Merge branch 'master' into AddSquadPicker
SquadLogic: Added set visible to all pickers
Added Util.arrayListToArray
SquadLogic: Troop Picker now filters already selected troops
SquadLogic: VehiclePicker now filters
SquadLogic: SupplyPicker now filters