support naked widgets

when style=naked parameter is passed to a widget resort panel is
rendered with transparent background and without any padding
that allow host to apply style to .liftie-widget div and iframe
fix widget embed script

pass style=naked query param id data-style is set
change the way we find iframes to resize (cannot quarantee that iframe
src will have resort name at the end)
support multicolumn widget

display lift status in 1, 2, or 3 columns depending on widget size
reduce font-size for widgets - we can't use width any more to properly
adjust it
Merge remote-tracking branch 'origin/widget-updates'