added selectors-shift function - in object selector one can trigger the

added selectors-shift function - in object selector one can trigger the
 binding for show everything again and start with the current object as
 new subject. esc or evry-binding will go back to previous level.
 this will come in handy sooner or later. believe me (=

added browse folder action to browse the containing folder of a file in
 everything.

now for example you have a plalist entry or a file from tracker search and
 want to do sth within the parent dir of that file:
 select browse folder -> .. go to parent -> trigger-evry-again ->
 select delete/copy/watch the folder as slideshow or do whatever.

SVN revision: 48905