[gollem] showing / hiding dotfiles

[Chuck Hagenbuch]

Quoting Liam Hoekenga <liamr at umich.edu
> This does not, however, change the number items to the number of
> /visible/ items (as might be expected) instead of the number of total 
> items..

I've moved the show/hide dotfiles into the VFS api, so this should now be
both a bit faster, and the item count is correct.

-chuck

--
Charles Hagenbuch, <chuck at horde.org"People ask me all the time what it will be like living without otters."
 - Google, thanks to Harpers