Smart album "No Album" if no album is selected

[Zeriuno]

If a picture is uploaded and no album is selected, the picture should be reachable in the Album view through a special album (functioning in the same way OS X smard folders do) called "No Album" (or something like that, you get the idea).

It would provide users a managment tool:

• a way to review pictures that are not in an album, assuring everything is in order ("Oh, my, why aren't you in that Album where you belong?")
• allowing users to create album upon observation of their pictures ("Oh, look, I haven't noticed yet, but it looks like I do this same kind of photo twice a year, they could fit together in an album").

Right now if a picture isn't in an album, it is kind of lost in the Gallery stream. No Album would allow to handpick some pictures when needed.

[jmathai]

Related issue #657 for photos without any tags.