Added a new class for the measure of distances between units.
Merge branch 'master' of https://github.com/maxi-jp/Project_NewDetroit

Conflicts:
	New Detroit Project/Assets/NewDetroit/Resources/Goblin Army/Goblin_ArtilleryBasic_TeamA.prefab
	New Detroit Project/Assets/NewDetroit/Resources/Goblin Army/Goblin_ArtilleryHeavy_TeamA.prefab
	New Detroit Project/Assets/NewDetroit/Resources/Goblin Army/Goblin_Engineer_TeamA.prefab
	New Detroit Project/Assets/NewDetroit/Resources/Goblin Army/Goblin_Harvester_TeamA.prefab
	New Detroit Project/Assets/NewDetroit/Resources/Goblin Army/Goblin_Scout_TeamA.prefab
	New Detroit Project/Assets/NewDetroit/Resources/Goblin Army/Goblin_Scout_TeamB.prefab
	New Detroit Project/Assets/NewDetroit/Scenes/RTS_Units_Test.unity
	New Detroit Project/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache