Select last directory on ascent, 'wide' liststyle
Merge branch 'master' into wide

Conflicts:
	plugin/vinegar.vim
Descent, 'wide' liststyle
Fix flaky position restoring in 'wide' style

For some reason, the BufEnter autocmd was not working for _some_
directories.
Minor cleanup
Limited support for . and ! in 'wide' liststyle

Normal mode only and no count argument.
Fix filenames with spaces, 'wide' liststyle
Removed unnecessary s:RestorePosn()

Seems like this is no longer necessary, apparently <C-I> and <C-O>
restore position by other means (the jumplist).
Merge pull request #2 from gkirilov/wide

'Wide' liststyle support