Changed import workflow

-Rearrange favorites in fs dock with drag and drop
-Removed import -> sub-scene, moved to scenetree contextual menu
-Removed import -> re-import , moved and integrated to FS dock
-Added ability in FS dock to re-import more than one resource
simultaneously
-Added ability to drag from native filesystem explorer to Godot, only
works on Windows though
-Removed scene reimport merge options, never worked well. Eventually
merging materials should be re-added
-Added ability to set custom root node type when importing scenes
-Re-Import is now automatic, can be configured back to manual in editor
settings
-Added resource previews in property list for many resource types

scene/main/scene_main_loop.cpp

@@ -1593,6 +1593,14 @@ void SceneTree::_live_edit_reparent_node_func(const NodePath& p_at,const NodePat
 
 
 #endif
+
+
+void SceneTree::drop_files(const Vector<String>& p_files,int p_from_screen) {
+
+	emit_signal("files_dropped",p_files,p_from_screen);
+	MainLoop::drop_files(p_files,p_from_screen);
+}
+
 void SceneTree::_bind_methods() {
 
 
@@ -1666,6 +1674,8 @@ void SceneTree::_bind_methods() {
 	ADD_SIGNAL( MethodInfo("idle_frame"));
 	ADD_SIGNAL( MethodInfo("fixed_frame"));
 
+	ADD_SIGNAL( MethodInfo("files_dropped",PropertyInfo(Variant::STRING_ARRAY,"files"),PropertyInfo(Variant::INT,"screen")) );
+
 	BIND_CONSTANT( GROUP_CALL_DEFAULT );
 	BIND_CONSTANT( GROUP_CALL_REVERSE );
 	BIND_CONSTANT( GROUP_CALL_REALTIME );