More icons added

google-plus, external-link, deal
Social links: Facebook, Twitter, Google+
External resort link and liftie page link

Changes in resort section headers.  We now display 2 links - to the
official resort page (external link icon), and to liftie page with this
resort info (resort name)
Minor margin adjustments

Narrower gutter
Resort section header/footer padding adjusted to line up closed and open
sections.
Merge branch 'external-links'