SceneMainLoop -> SceneTree

-=-=-=-=-=-=-=-=-=-=-=-=-=-

*YOUR SOURCE MIGHT NOT WORK*
For mor information on fix:
https://github.com/okamstudio/godot/wiki/devel_scene_tree

Other stuff:
-Shower of bullets demo
-Fixes all around

scene/gui/range.cpp

@@ -42,7 +42,7 @@ void Range::Shared::emit_value_changed() {
 
 	for (Set<Range*>::Element *E=owners.front();E;E=E->next()) {
 		Range *r=E->get();
-		if (!r->is_inside_scene())
+		if (!r->is_inside_tree())
 			continue;
 		r->_value_changed_notify();
 	}
@@ -59,7 +59,7 @@ void Range::Shared::emit_changed() {
 
 	for (Set<Range*>::Element *E=owners.front();E;E=E->next()) {
 		Range *r=E->get();
-		if (!r->is_inside_scene())
+		if (!r->is_inside_tree())
 			continue;
 		r->_changed_notify();
 	}