tabs to spaces, remove trailing white space. (apart of pep8)

didnt do "release/scripts/io" since some exporters cant be auto converted

release/scripts/templates/operator_simple.py

@@ -1,20 +1,20 @@
 def main(context):
-	for ob in context.scene.objects:
-		print(ob)
-	
+    for ob in context.scene.objects:
+        print(ob)
+
 class SimpleOperator(bpy.types.Operator):
-	''''''
-	bl_idname = "object.simple_operator"
-	bl_label = "Simple Object Operator"
-	
-	def poll(self, context):
-		return context.active_object != None
-	
-	def execute(self, context):
-		main(context)
-		return ('FINISHED',)
+    ''''''
+    bl_idname = "object.simple_operator"
+    bl_label = "Simple Object Operator"
+
+    def poll(self, context):
+        return context.active_object != None
+
+    def execute(self, context):
+        main(context)
+        return ('FINISHED',)
 
 bpy.ops.add(SimpleOperator)
 
 if __name__ == "__main__":
-	bpy.ops.object.simple_operator()
+    bpy.ops.object.simple_operator()