#37 Project tree navigation

[Puiu Hrenciuc]

When adding items/folders to the project in a subfolder,
keep the track of the current opened folders instead of
reseting the whole layout. E.g.:

Project_1
-- Item 1
-- Folder 1
---- Folder 2
------ Item 2
------ Folder 3
-------- Item 3 <- Add an item here

Actual result :

Project_1
-- Item 1
-- Folder 1 ( collapsed )

Expected result :

Project_1
-- Item 1
-- Folder 1
---- Folder 2
------ Item 2
------ Folder 3
-------- Item 3
-------- Item 4 ( newly added item )

[Puiu Hrenciuc]

Logged In: YES
user_id=1216228

I'll move this to bugs, because it looks more like a bug than a
feature request.