Change EditorConfig to use tabs

Unreal Engine 4 Coding Guidelines specify tabs, tabs are also used for all generated code.

Author: jonpas

.editorconfig

@@ -4,7 +4,7 @@ root = true
 end_of_line = lf
 insert_final_newline = true
 charset = utf-8
-indent_style = space
+indent_style = tab
 indent_size = 4
 trim_trailing_whitespace = true
 

ETV.uproject

@@ -10,7 +10,8 @@
 			"LoadingPhase": "Default",
 			"AdditionalDependencies": [
 				"Paper2D",
-				"Engine"
+				"Engine",
+				"CoreUObject"
 			]
 		}
 	]