add social share basic style and haml partial
Install foundation icons gem
style social links with icons
render social links after header on show pages
layout header social links for wide screens
tests for previous haml changes
very basic social share layout for small screens
add share links to policy page with member
set the social links in line with current secondary column

see for example division show, lines up with external links
Merge branch 'test' into social_share_links

Conflicts:
	Gemfile
add page url to share links
Merge pull request #785 from openaustralia/social_share_links

Social share links