[Vimperator] Added 'Bookmark Manager' to dialog command

[Martin Stubenschrott]

Daniel Trstenjak wrote:

> +        ["bookmarkmanager",  "Bookmark Manager",
> +            function () { openDialog("chrome://browser/content/places/places.xul", "Bookmark Manager", "dialog"); }],

Thanks for the patch, but what is the difference to :dialog places? Or am I missing something.