Virtual folders for generic project

Hi, could you add support for virtual folders in project tree?

If you "import project" all your files in project tree will be relative to their path, but it's better to have a structure in the project like:
[+]src
[+]inc
[+]build
[-]misc
....>file1
....>file2

It's not always possible to move your files e.g. if you use qt creator just for editing. Now you can see or absolute paths to all included files or simple tree with file list. In good IDE it should be possible to create virtual folders and it's possible for example in qbs there is "group" command or with qmake but not if you import project and use makefile.

Thanks